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<title>颜港小学</title>
<link>http://www.csyg.com/xdjy/blogg/</link>
<description>颜港小学,颜港博客</description>
<generator>Oblog 3.0</generator>
<webMaster>admin@csyg.com</webMaster>
<item>
<title><![CDATA[消去问题]]></title>
<link>http://www.csyg.com/xdjy/blogg/user1/ygwyy/archives/2008/6131.htm</link>
<author>ygwyy</author>
<pubDate>2008-11-18 10:05:55</pubDate>
<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 162pt; LINE-HEIGHT: 150%"><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 24pt; COLOR: black; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">消去问题</SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 24pt; COLOR: black; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></B></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 90.35pt; LINE-HEIGHT: 150%; mso-char-indent-count: 5.0"><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 18pt; COLOR: black; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">常熟市颜港小学五（</SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 18pt; COLOR: black; LINE-HEIGHT: 150%"><FONT face="Times New Roman">2</FONT></SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 18pt; COLOR: black; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）班</SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 18pt; COLOR: black; LINE-HEIGHT: 150%"><SPAN style="mso-spacerun: yes"><FONT face="Times New Roman">&nbsp;&nbsp; </FONT></SPAN></SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 18pt; COLOR: black; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">浦妍</SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 18pt; COLOR: black; LINE-HEIGHT: 150%"><BR></SPAN></B><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">&nbsp;</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">有这样一道题：</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><BR><FONT face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT></SPAN><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 14pt; LINE-HEIGHT: 150%; FONT-FAMILY: 隶书"> 5</SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 14pt; LINE-HEIGHT: 150%; FONT-FAMILY: 隶书">只同样的小猪和<SPAN lang=EN-US>18</SPAN>只同样的小羊总价值<SPAN lang=EN-US>3960</SPAN>元，已知<SPAN lang=EN-US>1</SPAN>只小猪和<SPAN lang=EN-US>3</SPAN>只小羊的价钱相等。求：每只小猪和每只小羊各是多少元？<SPAN lang=EN-US><BR></SPAN></SPAN></B><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">简单去看，题目十分复杂，所以我便一步步推算：</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><BR><FONT face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">这道题目一共告诉了我们两个条件，从条件中入手便可以先解决一些基本的问题。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><BR><FONT face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体">①</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">5</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">只小猪的价钱</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">+18</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">只小羊的价钱</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">=3960</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">（元）</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><BR><FONT face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <SPAN style="mso-spacerun: yes">&nbsp;</SPAN></FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体">②</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">1</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">只小猪的价钱</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">=3</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">只小羊的价钱</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><BR><FONT face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">我发现自己还是难以正确理解题意，于是便去请教了奥数老师。听了老师的讲解，我便自己思索起来。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><BR><FONT face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">如果把小猪和小羊的价钱同时扩大</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">5</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">倍，就变成了：</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">5</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">只小猪的价钱</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">=15</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">只小羊的价钱。也就是说可以把</SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体">②</SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">里的</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">5</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">只小猪变成</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">15</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">只羊。这样，我们就可以轻松地将题目化简了。然后用</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">3960÷</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">3×5+18</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">），算出一只羊的价钱是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">120</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">元，再从</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">1</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">只猪的价格是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">=3</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">只羊的价格中得到猪是羊的</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">3</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">倍，所以一只猪的价格是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">120×3=360</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">（元）。</SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman"> </FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">答：一只猪是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">360</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">元，一只羊是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">120</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">元。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%"><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">原来这就是等量代换问题，只要找准题中的等量，通过相减消去其中一个等量就能快速求出另一个数量了。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%"><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">看来其实表面看似复杂的问题，通过一定的程序都能把它转化成相对简单的问题。这样一来，哪里还有解不出来的题目了呢？</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><o:p></o:p></SPAN></P>]]></description>
</item><item>
<title><![CDATA[找规律在解题中的应用]]></title>
<link>http://www.csyg.com/xdjy/blogg/user1/ygwyy/archives/2008/6130.htm</link>
<author>ygwyy</author>
<pubDate>2008-11-18 10:04:57</pubDate>
<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 44.15pt; LINE-HEIGHT: 150%; TEXT-ALIGN: center; mso-char-indent-count: 2.0" align=center><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 22pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">找规律在解题中的应用<SPAN lang=EN-US><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></SPAN></B></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 28.1pt; LINE-HEIGHT: 150%; TEXT-ALIGN: center; mso-char-indent-count: 2.0" align=center><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 14pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">颜港小学五（<SPAN lang=EN-US>2</SPAN>）班<SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN></SPAN>归嘉<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></B></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">前几天，爸爸让我做一道奥数题，题目是：</SPAN><SPAN lang=EN-US style="FONT-SIZE: 15pt; LINE-HEIGHT: 150%; FONT-FAMILY: 隶书; mso-hansi-font-family: 宋体">67</SPAN><SPAN style="FONT-SIZE: 15pt; LINE-HEIGHT: 150%; FONT-FAMILY: 隶书; mso-hansi-font-family: 宋体">个<SPAN lang=EN-US>2</SPAN>连乘的积减去<SPAN lang=EN-US>1</SPAN>的差的个位数字是多少？</SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">看完这道题，当时我就头脑发闷了：这么多的<SPAN lang=EN-US>2</SPAN>连乘我怎么知道它的积的末尾是几？但后来我静下心来，仔细想了想：一定有窍门在里面的。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">我先试着算了几个：<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">1</SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">个<SPAN lang=EN-US>2</SPAN>，个位数是<SPAN lang=EN-US>2</SPAN>；<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">2</SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">×<SPAN lang=EN-US>2=4</SPAN>，个位数是<SPAN lang=EN-US>4</SPAN>；<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">2</SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">×<SPAN lang=EN-US>2</SPAN>×<SPAN lang=EN-US>2=8</SPAN>，个位数是<SPAN lang=EN-US>8</SPAN>；<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">2</SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">×<SPAN lang=EN-US>2</SPAN>×<SPAN lang=EN-US>2</SPAN>×<SPAN lang=EN-US>2=16</SPAN>，个位数是<SPAN lang=EN-US>6</SPAN>；<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">2</SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">×<SPAN lang=EN-US>2</SPAN>×<SPAN lang=EN-US>2</SPAN>×<SPAN lang=EN-US>2</SPAN>×<SPAN lang=EN-US>2=32</SPAN>，个位数是<SPAN lang=EN-US>2</SPAN>；<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">2</SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">×<SPAN lang=EN-US>2</SPAN>×<SPAN lang=EN-US>2</SPAN>×<SPAN lang=EN-US>2</SPAN>×<SPAN lang=EN-US>2</SPAN>×<SPAN lang=EN-US>2=64</SPAN>，个位数是<SPAN lang=EN-US>4</SPAN>；<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">2</SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">×<SPAN lang=EN-US>2</SPAN>×<SPAN lang=EN-US>2</SPAN>×<SPAN lang=EN-US>2</SPAN>×<SPAN lang=EN-US>2</SPAN>×<SPAN lang=EN-US>2</SPAN>×<SPAN lang=EN-US>2=128</SPAN>，个位数是<SPAN lang=EN-US>8</SPAN>；<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">2</SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">×<SPAN lang=EN-US>2</SPAN>×<SPAN lang=EN-US>2</SPAN>×<SPAN lang=EN-US>2</SPAN>×<SPAN lang=EN-US>2</SPAN>×<SPAN lang=EN-US>2</SPAN>×<SPAN lang=EN-US>2</SPAN>×<SPAN lang=EN-US>2=256</SPAN>，个位数是<SPAN lang=EN-US>6</SPAN>。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">做到这儿我发现了一个规律，原来这是个周期问题：可以把每<SPAN lang=EN-US>4</SPAN>个<SPAN lang=EN-US>2</SPAN>相乘分成一组，每组中的<SPAN lang=EN-US>1</SPAN>个<SPAN lang=EN-US>2</SPAN>相乘之后乘积的个位数是<SPAN lang=EN-US>2</SPAN>，<SPAN lang=EN-US>2</SPAN>个<SPAN lang=EN-US>2</SPAN>相乘之后乘积的个位数是<SPAN lang=EN-US>4</SPAN>，<SPAN lang=EN-US>3</SPAN>个<SPAN lang=EN-US>2</SPAN>相乘之后乘积的个位数是<SPAN lang=EN-US>8</SPAN>，<SPAN lang=EN-US>4</SPAN>个<SPAN lang=EN-US>2</SPAN>相乘之后乘积的个位数是<SPAN lang=EN-US>6</SPAN>；从<SPAN lang=EN-US>5</SPAN>个<SPAN lang=EN-US>2</SPAN>相乘开始乘积的个位数依次重复出现<SPAN lang=EN-US>2</SPAN>、<SPAN lang=EN-US>4</SPAN>、<SPAN lang=EN-US>8</SPAN>、<SPAN lang=EN-US>6</SPAN>……；那么也就是说以<SPAN lang=EN-US>4</SPAN>个<SPAN lang=EN-US>2</SPAN>相乘为一组，（即个位数是<SPAN lang=EN-US>2</SPAN>、<SPAN lang=EN-US>4</SPAN>、<SPAN lang=EN-US>8</SPAN>、<SPAN lang=EN-US>6</SPAN>）。列式为：<SPAN lang=EN-US>67</SPAN>÷<SPAN lang=EN-US>4=18</SPAN>（组）……<SPAN lang=EN-US>3</SPAN>（个），所以<SPAN lang=EN-US>67</SPAN>个<SPAN lang=EN-US>2</SPAN>连乘的积的个位数就和每一组中的<SPAN lang=EN-US>3</SPAN>个<SPAN lang=EN-US>2</SPAN>相乘的积相同，乘积的个位数字就是<SPAN lang=EN-US>8</SPAN>。而<SPAN lang=EN-US>8-1=7</SPAN>，那么得出：<SPAN lang=EN-US>67</SPAN>个<SPAN lang=EN-US>2</SPAN>连乘的积减去<SPAN lang=EN-US>1</SPAN>的差的个位数字就是<SPAN lang=EN-US>7</SPAN>。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">终于被我解答出来了，我兴奋极了！赶紧把我的答案告诉我爸爸，爸爸满意地点点头，竖起了大拇指直夸我：“不错，不错！孺子可教也！难题不难吧？”<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>]]></description>
</item><item>
<title><![CDATA[有收获的野营]]></title>
<link>http://www.csyg.com/xdjy/blogg/user1/ygwyy/archives/2008/6129.htm</link>
<author>ygwyy</author>
<pubDate>2008-11-18 10:04:18</pubDate>
<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 153.05pt; LINE-HEIGHT: 150%; mso-char-indent-count: 6.93; tab-stops: 49.5pt"><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 22pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">有收获的野营<SPAN lang=EN-US><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></SPAN></B></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0; tab-stops: 49.5pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN></SPAN><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 15pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">常熟市颜港小学<SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp; </SPAN></SPAN>五（<SPAN lang=EN-US>2</SPAN>）班<SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp; </SPAN></SPAN>吴子彦<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></B></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0; tab-stops: 49.5pt"><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">令人紧张的期中考试过去了，可同学们的心还“卡”在喉咙里，生怕考试考砸了。学校为了让学生放松心情，就组织了一次活动。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0; tab-stops: 49.5pt"><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">同学们兴高采烈地来到清澈见底的小溪旁。实然，几个黑白的身影从眼前迅速地闪过，我回头一看，啊，原来是慈眉善目的山羊，碰到了心狠手辣的大灰狼。大灰狼想把羊吃了，于是向山羊慢慢靠近。我们为了让山羊战胜大灰狼，就把水果刀去给了善良的山羊。这样，它们就不怕大灰狼了。可几个猎人从森林中走出来，看到了这场羊狼大战，心想：如果让大灰狼先把羊杀死，我们再一举杀死狼，这样不就一箭双雕了吗！于是把枪丢给了狼。这场羊狼大战开始了。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0; tab-stops: 49.5pt"><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">老师也看到了这场战争<SPAN lang=EN-US>,</SPAN>便想出了一道有趣的数学题<SPAN lang=EN-US>,</SPAN>假如羊先拿到刀则羊胜，如果狼先拿到枪，则狼胜。那么羊刀狼枪（羊刀羊）枪羊刀（狼枪羊）是谁胜？我们就开始吃思索起来。没过一会儿，有个同学就想出来了。她对老师说：“因为开头是羊刀，羊无论碰到狼或者羊，都是羊胜，所以是羊胜。”老师满怀笑脸的点点头。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0; tab-stops: 49.5pt"><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">因为这场羊狼大战，打乱了我们的安排，路过动物村时，正好赶上动物运动会<SPAN lang=EN-US>,</SPAN>热情的村长大水牛邀请我们前去观看比赛<SPAN lang=EN-US>,</SPAN>我们便兴致勃勃地去了。这时小猴和小狗的<?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:chmetcnv w:st="on" UnitName="米" SourceValue="100" HasSpace="False" Negative="False" NumberType="1" TCSC="0"><SPAN lang=EN-US>100</SPAN>米</st1:chmetcnv>跑步要马上开始了，只听“啪”一声，比赛开始了。不一会儿，小狗首先冲过了终点，而小猴只跑了<st1:chmetcnv w:st="on" UnitName="米" SourceValue="90" HasSpace="False" Negative="False" NumberType="1" TCSC="0"><SPAN lang=EN-US>90</SPAN>米</st1:chmetcnv>。小猴很不服气，对小狗说：“你天生跑得快，我和你在同一起跑线不公平，你要在我后面<st1:chmetcnv w:st="on" UnitName="米" SourceValue="10" HasSpace="False" Negative="False" NumberType="1" TCSC="0"><SPAN lang=EN-US>10</SPAN>米</st1:chmetcnv>起跑。”小狗爽快地答应了。又一次比赛开始了，可小猴又输了，便不知所惑地去问小狗：“为什么我还是输了”？小狗说：“你想想，我跑<st1:chmetcnv w:st="on" UnitName="米" SourceValue="100" HasSpace="False" Negative="False" NumberType="1" TCSC="0"><SPAN lang=EN-US>100</SPAN>米</st1:chmetcnv>，其实你才<st1:chmetcnv w:st="on" UnitName="米" SourceValue="90" HasSpace="False" Negative="False" NumberType="1" TCSC="0"><SPAN lang=EN-US>90</SPAN>米</st1:chmetcnv>，也就是说我跑<st1:chmetcnv w:st="on" UnitName="米" SourceValue="10" HasSpace="False" Negative="False" NumberType="1" TCSC="0"><SPAN lang=EN-US>10</SPAN>米</st1:chmetcnv>，你才<st1:chmetcnv w:st="on" UnitName="米" SourceValue="9" HasSpace="False" Negative="False" NumberType="1" TCSC="0"><SPAN lang=EN-US>9</SPAN>米</st1:chmetcnv>，你的速度是我的<SPAN lang=EN-US>9</SPAN>÷<SPAN lang=EN-US>10=0.9</SPAN>倍；我跑<st1:chmetcnv w:st="on" UnitName="米" SourceValue="110" HasSpace="False" Negative="False" NumberType="1" TCSC="0"><SPAN lang=EN-US>110</SPAN>米</st1:chmetcnv>，其实你才跑了<SPAN lang=EN-US>0.9</SPAN>×<SPAN lang=EN-US>110=<st1:chmetcnv w:st="on" UnitName="米" SourceValue="99" HasSpace="False" Negative="False" NumberType="1" TCSC="0">99<SPAN lang=EN-US><SPAN lang=EN-US>米</SPAN></SPAN></st1:chmetcnv><SPAN lang=EN-US>，所以<SPAN lang=EN-US>我赢了。”从此，小猴做事总是先想清楚，再也不粗心了。<o:p></o:p></SPAN></SPAN></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0; tab-stops: 49.5pt"><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">这次的野营活动真是让我受益非浅啊！看来多掌握一些数学知识是非常有用的呀！<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>]]></description>
</item><item>
<title><![CDATA[行程中的相遇问题]]></title>
<link>http://www.csyg.com/xdjy/blogg/user1/ygwyy/archives/2008/6128.htm</link>
<author>ygwyy</author>
<pubDate>2008-11-18 10:03:28</pubDate>
<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 36.15pt; LINE-HEIGHT: 150%; TEXT-ALIGN: center; mso-char-indent-count: 2.0" align=center><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 18pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">行程中的相遇问题</SPAN></B></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 36.15pt; LINE-HEIGHT: 150%; TEXT-ALIGN: center; mso-char-indent-count: 2.0" align=center><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 18pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体"></SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 15pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">常熟市颜港小学<SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp; </SPAN></SPAN>五（<SPAN lang=EN-US>2</SPAN>）班<SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN>金俪阳<SPAN lang=EN-US><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></SPAN></B></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">今天，我<?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:PersonName w:st="on" ProductID="从郑">从郑</st1:PersonName>老师家里补课回来，就开始做他布置的回家作业——《小学生同步奥数培优》上的第<SPAN lang=EN-US>10</SPAN>页<SPAN lang=EN-US>~</SPAN>第<SPAN lang=EN-US>17</SPAN>页上的同步精炼和练习卷。由于这些题目都非常简单，所以我只用了很短的时间就做完了这些题目。做完了这些题目，我便开始预习《小学生同步奥数培优》上的下面的内容。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">突然，第十四讲行程中的相遇问题中的这样一道题目吸引了我的注意。这道题目是这样的：<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">A</SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">、<SPAN lang=EN-US>B</SPAN>两地相距<SPAN lang=EN-US>400</SPAN>千米，甲乙两车同时分别从<SPAN lang=EN-US>A</SPAN>、<SPAN lang=EN-US>B</SPAN>两地相对开出，甲车每个小时行驶<SPAN lang=EN-US>35</SPAN>千米，乙车每个小时行驶<SPAN lang=EN-US>45</SPAN>千米。有一只鸽子以每个小时<SPAN lang=EN-US>50</SPAN>千米的速度和甲同时出发，向乙车飞去，遇到乙车后又折回来向甲车飞来，遇到甲车后又飞向乙车，就这样一直飞下去。当这只鸽子飞了多少千米后，两车正好相遇？<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">看到这样的相遇问题，我首先想到的就是下面这三个公式：<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">速度和×相遇时间<SPAN lang=EN-US>=</SPAN>总路程<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">总路程÷速度和<SPAN lang=EN-US>=</SPAN>相遇时间<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">总路程÷相遇时间<SPAN lang=EN-US>=</SPAN>速度和<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">可是这道题目并不是让我求总路程，也不是让我求相遇时间，更不是让我求速度和，所以，我看了这道题目以后的第一感觉就是这三个公式派不上什么用场。于是，我又仔细地读了一遍题目。我想：要求鸽子飞了多少千米，就要先算出甲乙两车的相遇时间。总路程÷速度和<SPAN lang=EN-US>=</SPAN>相遇时间，甲乙两车的相遇时间便可以求出来了：<SPAN lang=EN-US>400</SPAN>÷（<SPAN lang=EN-US>35+45</SPAN>）<SPAN lang=EN-US>=5</SPAN>（小时）甲乙两辆车相遇的时间便是<SPAN lang=EN-US>5</SPAN>个小时以后了。要求鸽子飞了多少千米，就可以用这个公式求了：速度和×相遇时间<SPAN lang=EN-US>=</SPAN>总路程。那么，鸽子飞的路程便是<SPAN lang=EN-US>50</SPAN>×<SPAN lang=EN-US>5=250</SPAN>（千米）了。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">做完了这道题目，我明白了一个道理：我们以后做题一定要仔细读清楚题目，一个字都不能看错。还有做题时，不能只靠那些公式，要灵活地运用这些公式，只有这样才能更好地做题。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: right; mso-char-indent-count: 2.0" align=right><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体"><o:p>&nbsp;</o:p></SPAN></P>]]></description>
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<title><![CDATA[有趣的分配问题]]></title>
<link>http://www.csyg.com/xdjy/blogg/user1/ygwyy/archives/2008/6127.htm</link>
<author>ygwyy</author>
<pubDate>2008-11-18 10:02:46</pubDate>
<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 156.6pt; LINE-HEIGHT: 150%; mso-char-indent-count: 6.0"><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 26pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">有趣的分配问题<SPAN lang=EN-US><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></SPAN></B></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 126.5pt; LINE-HEIGHT: 150%; mso-char-indent-count: 7.0"><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 18pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">常熟市颜港小学五（<SPAN lang=EN-US>2</SPAN>）班倪晨<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></B></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体"><SPAN style="mso-spacerun: yes">&nbsp;</SPAN></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">星期天，我正在家中看报纸。忽然，一道数学题目吸引了我：老猴子摘了一篮子的桃子准备分给一群小猴子吃。如果每只小猴子分<SPAN lang=EN-US>3</SPAN>个，篮子里就会多<SPAN lang=EN-US>8</SPAN>个桃子；如果每只小猴子分<SPAN lang=EN-US>5</SPAN>个，就会少<SPAN lang=EN-US>4</SPAN>个桃子。请问：一群小猴有几只？一篮子的桃子有多少个？看着这一道数学题，我津津有味地思索起来。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">不久，我就想了出来。每只小猴分<SPAN lang=EN-US>5</SPAN>个时桃子的总数比每只小猴分<SPAN lang=EN-US>3</SPAN>个时多出<SPAN lang=EN-US>8+4</SPAN>＝<SPAN lang=EN-US>12</SPAN>（个），这是这道题目的关键，明白了这个，所有问题就迎刃而解了：小猴的只数没有变化，只是因为每只小猴多分了<SPAN lang=EN-US>5-3</SPAN>＝<SPAN lang=EN-US>2</SPAN>（个）桃子，共要多分<SPAN lang=EN-US>12</SPAN>个桃子，那么<SPAN lang=EN-US>12</SPAN>里有几个<SPAN lang=EN-US>2</SPAN>，就说明有几只小猴。所以，一群小猴有<SPAN lang=EN-US>12</SPAN>÷<SPAN lang=EN-US>2</SPAN>＝<SPAN lang=EN-US>6</SPAN>（只），一篮子的桃子就是<SPAN lang=EN-US>3</SPAN>×<SPAN lang=EN-US>6+8</SPAN>＝<SPAN lang=EN-US>26</SPAN>（个），或<SPAN lang=EN-US>5</SPAN>×<SPAN lang=EN-US>6-4=26</SPAN>（个）。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">这真是一个有趣的题目。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体"><o:p>&nbsp;</o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><o:p><FONT face="Times New Roman">&nbsp;</FONT></o:p></SPAN></P>]]></description>
</item><item>
<title><![CDATA[解题的法宝]]></title>
<link>http://www.csyg.com/xdjy/blogg/user1/ygwyy/archives/2008/6126.htm</link>
<author>ygwyy</author>
<pubDate>2008-11-18 10:01:34</pubDate>
<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN></SPAN><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 26pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">解题的法宝<SPAN lang=EN-US><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></SPAN></B></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 36.15pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 18pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</SPAN></SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 18pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">常熟市颜港小学<SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp; </SPAN></SPAN>五（<SPAN lang=EN-US>2</SPAN>）班杨逸凡<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></B></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">今天，我们奥数班出了这样一道题：甲，乙两车分别从<SPAN lang=EN-US>A,B</SPAN>两地相对开出，第一次相遇在离<SPAN lang=EN-US>A</SPAN>地<?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:chmetcnv w:st="on" UnitName="千米" SourceValue="90" HasSpace="False" Negative="False" NumberType="1" TCSC="0"><SPAN lang=EN-US>90</SPAN>千米</st1:chmetcnv>处，相遇后两车继续以原速前进，到达目的地后立即返回。第二次相遇在离<SPAN lang=EN-US>A</SPAN>站<st1:chmetcnv w:st="on" UnitName="千米" SourceValue="50" HasSpace="False" Negative="False" NumberType="1" TCSC="0"><SPAN lang=EN-US>50</SPAN>千米</st1:chmetcnv>处。求<SPAN lang=EN-US>A,B</SPAN>两站之间的路程。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">我初始一看，太简单了！不就是行程问题嘛，只需求出甲，乙两车的速度之和以及两车相遇的时间，问题不就迎刃而解了？！可当我再一次看题目时，就傻眼了——题中什么也没告诉你，连时间也没说，只告诉你第一次相遇在<SPAN lang=EN-US>A</SPAN>地的<st1:chmetcnv w:st="on" UnitName="千米" SourceValue="90" HasSpace="False" Negative="False" NumberType="1" TCSC="0"><SPAN lang=EN-US>90</SPAN>千米</st1:chmetcnv>处，第二次相遇在离<SPAN lang=EN-US>A</SPAN>地的<st1:chmetcnv w:st="on" UnitName="千米" SourceValue="50" HasSpace="False" Negative="False" NumberType="1" TCSC="0"><SPAN lang=EN-US>50</SPAN>千米</st1:chmetcnv>处。我这才感到不是普通的行程问题那么简单。我愣了好半天也没想出好办法。正在无奈之时，突然，我想起了老师说过的解题法宝——画图分析。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 263.95pt; TEXT-INDENT: -240pt; LINE-HEIGHT: 150%; mso-char-indent-count: -20.0; mso-para-margin-left: 2.28gd"><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">于是，我先将它简单的画一个线段图：<SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN><SPAN style="mso-tab-count: 1"></SPAN><SPAN style="mso-spacerun: yes">&nbsp;</SPAN></SPAN></SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体"><?xml:namespace prefix = v ns = "urn:schemas-microsoft-com:vml" /><v:group id=_x0000_s1026 style="WIDTH: 135pt; HEIGHT: 7.8pt; mso-position-horizontal-relative: char; mso-position-vertical-relative: line" coordsize="2348,136" coordorigin="2362,6753" editas="canvas"> <o:lock aspectratio="t" v:ext="edit"></o:lock><v:shapetype id=_x0000_t75 path="m@4@5l@4@11@9@11@9@5xe" o:spt="75" coordsize="21600,21600" stroked="f" filled="f" o:preferrelative="t"><v:stroke joinstyle="miter"></v:stroke><v:formulas><v:f eqn="if lineDrawn pixelLineWidth 0"></v:f><v:f eqn="sum @0 1 0"></v:f><v:f eqn="sum 0 0 @1"></v:f><v:f eqn="prod @2 1 2"></v:f><v:f eqn="prod @3 21600 pixelWidth"></v:f><v:f eqn="prod @3 21600 pixelHeight"></v:f><v:f eqn="sum @0 0 1"></v:f><v:f eqn="prod @6 1 2"></v:f><v:f eqn="prod @7 21600 pixelWidth"></v:f><v:f eqn="sum @8 21600 0"></v:f><v:f eqn="prod @7 21600 pixelHeight"></v:f><v:f eqn="sum @10 21600 0"></v:f></v:formulas><v:path o:connecttype="rect" gradientshapeok="t" o:extrusionok="f"></v:path><o:lock aspectratio="t" v:ext="edit"></o:lock></v:shapetype><v:shape id=_x0000_s1027 style="LEFT: 2362px; WIDTH: 2348px; POSITION: absolute; TOP: 6753px; HEIGHT: 136px" type="#_x0000_t75" o:preferrelative="f"><v:fill o:detectmouseclick="t"></v:fill><v:path o:connecttype="none" o:extrusionok="t"></v:path><o:lock v:ext="edit" text="t"></o:lock></v:shape><?xml:namespace prefix = w ns = "urn:schemas-microsoft-com:office:word" /><w:wrap type="none"></w:wrap><w:anchorlock></w:anchorlock></v:group></SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体"><st1:chmetcnv w:st="on" UnitName="千米" SourceValue="90" HasSpace="False" Negative="False" NumberType="1" TCSC="0">90<SPAN lang=EN-US><SPAN lang=EN-US>千米</SPAN></SPAN></st1:chmetcnv><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 240pt; LINE-HEIGHT: 150%; mso-char-indent-count: 20.0"><v:line id=_x0000_s1034 style="Z-INDEX: 8; LEFT: 0px; POSITION: absolute; TEXT-ALIGN: left" to="351pt,23.4pt" from="351pt,15.6pt"></v:line><v:shapetype id=_x0000_t87 path="m21600,qx10800@0l10800@2qy0@11,10800@3l10800@1qy21600,21600e" o:spt="87" coordsize="21600,21600" filled="f" adj="1800,10800"><v:formulas><v:f eqn="val #0"></v:f><v:f eqn="sum 21600 0 #0"></v:f><v:f eqn="sum #1 0 #0"></v:f><v:f eqn="sum #1 #0 0"></v:f><v:f eqn="prod #0 9598 32768"></v:f><v:f eqn="sum 21600 0 @4"></v:f><v:f eqn="sum 21600 0 #1"></v:f><v:f eqn="min #1 @6"></v:f><v:f eqn="prod @7 1 2"></v:f><v:f eqn="prod #0 2 1"></v:f><v:f eqn="sum 21600 0 @9"></v:f><v:f eqn="val #1"></v:f></v:formulas><v:path o:connecttype="custom" textboxrect="13963,@4,21600,@5" o:connectlocs="21600,0;0,10800;21600,21600" arrowok="t"></v:path><v:handles><v:h yrange="0,@8" position="center,#0"></v:h><v:h yrange="@9,@10" position="topLeft,#1"></v:h></v:handles></v:shapetype><v:shape id=_x0000_s1032 style="MARGIN-TOP: -50.1pt; Z-INDEX: 6; LEFT: 0px; MARGIN-LEFT: 293.1pt; WIDTH: 7.8pt; POSITION: absolute; HEIGHT: 108pt; TEXT-ALIGN: left; rotation: 90" type="#_x0000_t87"></v:shape><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">A</SPAN><v:line id=_x0000_s1030 style="Z-INDEX: 4; LEFT: 0px; POSITION: absolute; TEXT-ALIGN: left; mso-position-horizontal-relative: text; mso-position-vertical-relative: text" to="306pt,23.4pt" from="306pt,15.6pt"></v:line><v:line id=_x0000_s1031 style="Z-INDEX: 5; LEFT: 0px; POSITION: absolute; TEXT-ALIGN: left; mso-position-horizontal-relative: text; mso-position-vertical-relative: text" to="243pt,23.4pt" from="243pt,15.6pt"></v:line><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN><SPAN style="mso-tab-count: 1">&nbsp;&nbsp; </SPAN>B<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><v:line id=_x0000_s1029 style="Z-INDEX: 3; LEFT: 0px; POSITION: absolute; TEXT-ALIGN: left" to="423pt,0" from="243pt,0"></v:line><v:shape id=_x0000_s1033 style="MARGIN-TOP: -27.6pt; Z-INDEX: 7; LEFT: 0px; MARGIN-LEFT: 270.6pt; WIDTH: 7.8pt; POSITION: absolute; HEIGHT: 63pt; TEXT-ALIGN: left; rotation: 270" type="#_x0000_t87"></v:shape><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>50</SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">千米<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">图（<SPAN lang=EN-US>1</SPAN>）<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">把一条线段作为<SPAN lang=EN-US>AB</SPAN>两地，第一次相遇就</SPAN><v:shapetype id=_x0000_t19 path="wr-21600,,21600,43200,,,21600,21600nfewr-21600,,21600,43200,,,21600,21600l,21600nsxe" o:spt="19" coordsize="21600,21600" filled="f" adj="-5898240,,,21600,21600"><FONT face="Times New Roman"> <v:formulas><v:f eqn="val #2"></v:f><v:f eqn="val #3"></v:f><v:f eqn="val #4"></v:f></v:formulas><v:path o:connecttype="custom" gradientshapeok="t" o:extrusionok="f" o:connectlocs="0,0;21600,21600;0,21600" arrowok="t"></v:path><v:handles><v:h position="@2,#0" polar="@0,@1"></v:h><v:h position="@2,#1" polar="@0,@1"></v:h></v:handles></FONT></v:shapetype><v:shape id=_x0000_s1028 style="MARGIN-TOP: 7.8pt; Z-INDEX: 2; LEFT: 0px; MARGIN-LEFT: 225pt; WIDTH: 18pt; POSITION: absolute; HEIGHT: 1.15pt; TEXT-ALIGN: left; mso-position-horizontal-relative: text; mso-position-vertical-relative: text; flip: y" type="#_x0000_t19" path="wr-21600,-19998,21600,23202,21540,,21600,1602nfewr-21600,-19998,21600,23202,21540,,21600,1602l,1602nsxe" coordsize="21600,1602" adj="-278780,,,1602"><v:path o:connectlocs="21540,0;21600,1602;0,1602"></v:path></v:shape><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">在线段上做一个点，从<SPAN lang=EN-US>A</SPAN>地到这个点就是 <st1:chmetcnv w:st="on" UnitName="千米" SourceValue="90" HasSpace="False" Negative="False" NumberType="1" TCSC="0"><SPAN lang=EN-US>90</SPAN>千米</st1:chmetcnv>，（如图<SPAN lang=EN-US>1</SPAN>），那么第二次相遇就在离<SPAN lang=EN-US>A </SPAN>地不远处再做一个点，此处离<SPAN lang=EN-US>A</SPAN>地是<st1:chmetcnv w:st="on" UnitName="千米" SourceValue="50" HasSpace="False" Negative="False" NumberType="1" TCSC="0"><SPAN lang=EN-US>50</SPAN>千米</st1:chmetcnv>。图作好了，开始分析题目。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>90</SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">千米<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><v:shape id=_x0000_s1039 style="MARGIN-TOP: -36.6pt; Z-INDEX: 13; LEFT: 0px; MARGIN-LEFT: 162.6pt; WIDTH: 7.8pt; POSITION: absolute; HEIGHT: 81pt; TEXT-ALIGN: left; rotation: 90" type="#_x0000_t87"></v:shape><v:line id=_x0000_s1038 style="Z-INDEX: 12; LEFT: 0px; POSITION: absolute; TEXT-ALIGN: left" to="207pt,15.6pt" from="207pt,7.8pt"></v:line><v:line id=_x0000_s1037 style="Z-INDEX: 11; LEFT: 0px; POSITION: absolute; TEXT-ALIGN: left" to="126pt,15.6pt" from="126pt,7.8pt"></v:line><v:shape id=_x0000_s1036 style="MARGIN-TOP: -12pt; Z-INDEX: 10; LEFT: 0px; MARGIN-LEFT: 90.6pt; WIDTH: 7.8pt; POSITION: absolute; HEIGHT: 63pt; TEXT-ALIGN: left; rotation: 270" type="#_x0000_t87"></v:shape><v:line id=_x0000_s1035 style="Z-INDEX: 9; LEFT: 0px; POSITION: absolute; TEXT-ALIGN: left" to="243pt,15.6pt" from="63pt,15.6pt"></v:line><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp; </SPAN>A<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>B<SPAN style="mso-spacerun: yes">&nbsp; </SPAN><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>50</SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">千米<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 108pt; LINE-HEIGHT: 150%; mso-char-indent-count: 9.0"><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">图（<SPAN lang=EN-US>2</SPAN>）<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">首先<SPAN lang=EN-US><SPAN style="mso-tab-count: 1">&nbsp;&nbsp; </SPAN><st1:chmetcnv w:st="on" UnitName="千米" SourceValue="50" HasSpace="False" Negative="False" NumberType="1" TCSC="0">50<SPAN lang=EN-US><SPAN lang=EN-US>千米</SPAN></SPAN></st1:chmetcnv><SPAN style="mso-tab-count: 1"> </SPAN></SPAN>（图<SPAN lang=EN-US>1</SPAN>）乙两车在行程中保持原速，两车一共走了<SPAN lang=EN-US>3</SPAN>个<SPAN lang=EN-US>AB</SPAN>之间的全程，甲走了这些（如图<SPAN lang=EN-US>2</SPAN>），也就是<SPAN lang=EN-US>90*3=<st1:chmetcnv w:st="on" UnitName="千米" SourceValue="270" HasSpace="False" Negative="False" NumberType="1" TCSC="0">270<SPAN lang=EN-US><SPAN lang=EN-US>千米</SPAN></SPAN></st1:chmetcnv><SPAN lang=EN-US>，而<SPAN lang=EN-US>他如果再走<st1:chmetcnv w:st="on" UnitName="千米" SourceValue="50" HasSpace="False" Negative="False" NumberType="1" TCSC="0">50<SPAN lang=EN-US><SPAN lang=EN-US>千米</SPAN></SPAN></st1:chmetcnv><SPAN lang=EN-US>，他就走了2</SPAN></SPAN></SPAN></SPAN>个全程，就只需再用（<SPAN lang=EN-US>270+50</SPAN>）<SPAN lang=EN-US>/2</SPAN>就行了，一个全程的长度就是<st1:chmetcnv w:st="on" UnitName="千米" SourceValue="160" HasSpace="False" Negative="False" NumberType="1" TCSC="0"><SPAN lang=EN-US>160</SPAN>千米</st1:chmetcnv>。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">通过解答这道题后，我明白了如果题目的条件较隐蔽的情况下，我们就需要画图来解决难题。画图，还真是一个解题的法宝！<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体"><o:p>&nbsp;</o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体"><o:p>&nbsp;</o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体"><o:p>&nbsp;</o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体"><o:p>&nbsp;</o:p></SPAN></P>]]></description>
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<title><![CDATA[上学路上]]></title>
<link>http://www.csyg.com/xdjy/blogg/user1/ygwyy/archives/2008/6125.htm</link>
<author>ygwyy</author>
<pubDate>2008-11-18 10:00:35</pubDate>
<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24.1pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp; </SPAN><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</SPAN></SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 22pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体"><SPAN style="mso-spacerun: yes">&nbsp;</SPAN></SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 22pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">上学路上<SPAN lang=EN-US><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></SPAN></B></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 67.75pt; LINE-HEIGHT: 150%; mso-char-indent-count: 4.5"><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 15pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">常熟市颜港小学<SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN>五（<SPAN lang=EN-US>2</SPAN>）班陈瑜<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></B></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">星期六，爸爸骑着电动车送我去少年宫。路上，我发现爸爸今天开得比平常要慢一些，我觉得很不解，平常爸爸还恨不得跟汽车赛跑呢！今天怎么开得这么慢。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">我把头凑到爸爸耳边，问：“爸爸，今天怎么了，开得比平常慢多了？”爸爸似乎很无奈：“唉，这车旧了，电瓶不行了。 你瞧，这表上显示的是每小时<SPAN lang=EN-US>30</SPAN>千米，可其实只有每小时<SPAN lang=EN-US>20</SPAN>千米，比正常速度慢了<?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:chmetcnv w:st="on" UnitName="千米" SourceValue="10" HasSpace="False" Negative="False" NumberType="1" TCSC="0"><SPAN lang=EN-US>10</SPAN>千米</st1:chmetcnv>呀！”“哦，原来是这样”，我恍然大悟，“那我们就要比平常多花<SPAN lang=EN-US>......</SPAN>７分半！”“咦，小东西，你怎么知道的呀！”爸爸装成很吃惊的样子，对我说。“哼，就知道考我！告诉你，我可是很聪明的。原本以<st1:chmetcnv w:st="on" UnitName="千米" SourceValue="30" HasSpace="False" Negative="False" NumberType="1" TCSC="0"><SPAN lang=EN-US>30</SPAN>千米</st1:chmetcnv><SPAN lang=EN-US>/</SPAN>每小时的速度去上少年宫，要<SPAN lang=EN-US>15</SPAN>分钟，根据“时间<SPAN lang=EN-US>*</SPAN>速度<SPAN lang=EN-US>=</SPAN>路程”得出少年宫距离家有<st1:chmetcnv w:st="on" UnitName="千米" SourceValue="7.5" HasSpace="False" Negative="False" NumberType="1" TCSC="0"><SPAN lang=EN-US>7.5</SPAN>千米</st1:chmetcnv>。因为<SPAN lang=EN-US>5</SPAN>分钟就是<SPAN lang=EN-US>0.25</SPAN>小时。接着便可以算出现在所要花的时间为<SPAN lang=EN-US>7.5/20=0.375</SPAN>小时，<SPAN lang=EN-US>0.375</SPAN>小时也就是<SPAN lang=EN-US>22</SPAN>分半，那么比平时要慢<SPAN lang=EN-US>22.5-15=7.5</SPAN>分钟。“嗯，不错嘛。那我继续追问一下，如果我今天路上只花了<SPAN lang=EN-US>10</SPAN>分钟就把你送到学校了，那我的速度是每小时多少千米吗？”爸爸故意刁难我一下。“拜托，这么简单还问我，<SPAN lang=EN-US>75/10=<st1:chmetcnv w:st="on" UnitName="千米" SourceValue=".75" HasSpace="False" Negative="False" NumberType="1" TCSC="0">0.75<SPAN lang=EN-US><SPAN lang=EN-US>千米</SPAN></SPAN></st1:chmetcnv><SPAN lang=EN-US>每小时。哇，老爸，你超速了！”“嘿嘿，随便说说嘛！”“爸爸，我现在有一个很严肃的问题要告诉你。”我故意皱着眉头，“现在离少年宫还有一半的路程，以每小时20</SPAN></SPAN>千米的速度前行的话，还有<SPAN lang=EN-US>5</SPAN>分钟就上课了。所以，我要迟到啦！”爸爸听了赶忙加速，由每小时<SPAN lang=EN-US>20</SPAN>千米提升到了每小时<SPAN lang=EN-US>40</SPAN>千米，向少年宫冲去。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">这一路上还真让我又学到了不少数学知识呢！<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体"><SPAN style="mso-spacerun: yes">&nbsp; </SPAN></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">　<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>]]></description>
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<title><![CDATA[节约用水]]></title>
<link>http://www.csyg.com/xdjy/blogg/user1/ygwyy/archives/2008/6124.htm</link>
<author>ygwyy</author>
<pubDate>2008-11-18 9:58:53</pubDate>
<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN><SPAN style="mso-spacerun: yes">&nbsp;</SPAN><SPAN style="mso-spacerun: yes">&nbsp;</SPAN><SPAN style="mso-spacerun: yes">&nbsp;</SPAN><SPAN style="mso-spacerun: yes">&nbsp;</SPAN><SPAN style="mso-spacerun: yes">&nbsp;</SPAN><SPAN style="mso-spacerun: yes">&nbsp;</SPAN><SPAN style="mso-spacerun: yes">&nbsp;</SPAN><SPAN style="mso-spacerun: yes">&nbsp;</SPAN><SPAN style="mso-spacerun: yes">&nbsp;</SPAN><SPAN style="mso-spacerun: yes">&nbsp;</SPAN><SPAN style="mso-spacerun: yes">&nbsp;</SPAN><SPAN style="mso-spacerun: yes">&nbsp;</SPAN><SPAN style="mso-spacerun: yes">&nbsp;</SPAN><SPAN style="mso-spacerun: yes">&nbsp;</SPAN><SPAN style="mso-spacerun: yes">&nbsp;</SPAN><SPAN style="mso-spacerun: yes">&nbsp;</SPAN></SPAN><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 18pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;</SPAN></SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 18pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">节约用水<SPAN lang=EN-US><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></SPAN></B></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 144.55pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-char-indent-count: 12.0; mso-pagination: widow-orphan" align=left><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">常熟市颜港小学<SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp; </SPAN></SPAN>五（<SPAN lang=EN-US>2</SPAN>）班<SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp; </SPAN></SPAN>汤昊<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></B></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" align=left><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">上个星期天的早上，我正在卫生间里刷牙，洗脸。刚把水龙头拧紧，但它却在<SPAN lang=EN-US>“</SPAN>滴答，滴答<SPAN lang=EN-US>”</SPAN>地漏水。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" align=left><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">我着急地大喊：<SPAN lang=EN-US>“</SPAN>爸爸，妈妈，你们快来！<SPAN lang=EN-US>”</SPAN>爸爸妈妈闻声赶来，问我什么事情，然后我指着水龙头对他们说：<SPAN lang=EN-US>“</SPAN>水龙头在漏水啊！<SPAN lang=EN-US>”</SPAN>爸爸看了看说：<SPAN lang=EN-US>“</SPAN>哦，没关系的，就漏一点点嘛，又没有多少水费的。<SPAN lang=EN-US>”“</SPAN>不行啊，现在水资源很宝贵，是一滴都不能够浪费啦！国家正在呼吁老百姓节约能源，珍惜每一滴水。我们要从现在做起！<SPAN lang=EN-US>”</SPAN>爸爸摸了下我的头说：<SPAN lang=EN-US>“</SPAN>恩，说得有道理，你现在长大了懂事情啦！嘿嘿！我马上联系管道工人来修理，顺便家里所有的水龙头都检查一下，有坏的全部修好了。<SPAN lang=EN-US>”<o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" align=left><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">趁着工人来修的这段时间，我仔细观察着漏水的情况。我拿着我的小闹钟看好了时间，发现原来每个十分钟就会滴满我刷牙用的小水杯一杯那一小时就会浪费六杯水，也就是两小时会滴满一大脸盆，那一天就是十二盆水，一年就有<SPAN lang=EN-US>4380</SPAN>盆水左右会被浪费。那是什么概念啊！<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" align=left><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">我刚刚算完，工人叔叔就到了。一会儿就修好了，原来是水龙头里面的皮圈坏了，换了就好了。工人叔叔说：<SPAN lang=EN-US>“</SPAN>水龙头使用时间久了，里面的配件就会有磨损，要经常及时更换。<SPAN lang=EN-US>”</SPAN>于是我请工人叔叔对我家所有的水龙头检查了一遍，把有漏水的都修好了。我看见家里的水龙头全部修好了，心里感到非常高兴，这下可好了，再也不会浪费水资源了。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" align=left><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">瞧，学了数学多有用呢！<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><o:p><FONT face="Times New Roman">&nbsp;</FONT></o:p></SPAN></P>]]></description>
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<title><![CDATA[数学小日记：学会从多方面解题]]></title>
<link>http://www.csyg.com/xdjy/blogg/user1/wkping/archives/2008/6123.htm</link>
<author>wkping</author>
<pubDate>2008-11-18 9:57:34</pubDate>
<description><![CDATA[<P class=MsoNormal style="MARGIN: 6pt 0cm 0pt; TEXT-INDENT: 30pt; LINE-HEIGHT: 150%; TEXT-ALIGN: center; mso-para-margin-top: .5gd; mso-char-indent-count: 2.0" align=center><SPAN style="FONT-SIZE: 15pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">学会从多方面解题</SPAN><SPAN lang=EN-US style="FONT-SIZE: 15pt; LINE-HEIGHT: 150%"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 6pt 0cm 0pt; TEXT-INDENT: 30pt; LINE-HEIGHT: 150%; TEXT-ALIGN: center; mso-para-margin-top: .5gd; mso-char-indent-count: 2.0" align=center><SPAN style="FONT-SIZE: 15pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">颜港小学</SPAN><SPAN lang=EN-US style="FONT-SIZE: 15pt; LINE-HEIGHT: 150%"><SPAN style="mso-spacerun: yes"><FONT face="Times New Roman">&nbsp;&nbsp; </FONT></SPAN></SPAN><SPAN style="FONT-SIZE: 15pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">五（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 15pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">3</FONT></SPAN><SPAN style="FONT-SIZE: 15pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）班</SPAN><SPAN lang=EN-US style="FONT-SIZE: 15pt; LINE-HEIGHT: 150%"><SPAN style="mso-spacerun: yes"><FONT face="Times New Roman">&nbsp;&nbsp; </FONT></SPAN></SPAN><SPAN style="FONT-SIZE: 15pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">邵佳顺</SPAN><SPAN lang=EN-US style="FONT-SIZE: 15pt; LINE-HEIGHT: 150%"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 6pt 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-para-margin-top: .5gd; mso-char-indent-count: 2.0"><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">今天我在《小学生奥赛起跑线》遇到了一道题，题目是这样的：</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 6pt 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-para-margin-top: .5gd; mso-char-indent-count: 2.0"><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">甲、乙、丙三人各出同样多的钱合买苹果若干千克，分苹果时，甲和丙都比乙多拿了</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">7.5</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">千克苹果，这样。甲和丙各应给乙</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">6</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">元钱。问：每千克苹果多少钱？一看题目，我不假思索地做了这道题：</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">6</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">÷</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">7.5=0.8</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">元。没想到爸爸不同意我的看法，他说：“由于甲给了乙</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">6</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">元，乙多了</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">6</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">元，甲少了</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">6</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">元，一来一去变相差</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">12</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">元，应该用</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">12</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">÷</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">7.5=1.6</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">元。我不信，偏要让爸爸验算，没想到如此一算，竟发现我们的答案都不对，甲和乙、乙和丙相差的钱数是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">18</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">元。爸爸不信，用另外一种方法验算得出的结果还是不对。这下，我们俩都陷入了深深的沉思之中。过了一会儿，爸爸一拍脑袋说：“哎呀，甲乙丙是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">3</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">个人，甲和丙都给了乙</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">6</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">元，乙共得了</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">12</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">元，甲和丙每人少了</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">6</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">元，一来一去不就相差</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">18</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">元吗，所以正确的结果应是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">18</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">÷</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">7.5=2.4</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">元，每千克苹果</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">2.4</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">元，再进行验算完全正确。我只考虑了甲和乙在换，而忽略了乙和丙也在换，而你只考虑了多拿</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">7.5</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">千克苹果等于多花</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">6</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">元钱，没考虑乙少拿</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">7.5</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">千克苹果倒赚了</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><FONT face="Times New Roman">12</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">元钱，没有深入一步去想这个问题。”“呀，我明白了。”爸爸又说：“我们俩都只想了问题的单一方面，就向一个骰子有六个面，每个面都有不同，我们不能停留在一个方面去想，而要同时考虑其他方面。”</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><o:p></o:p></SPAN></P><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">学会从多方面解题，真是一种解题的好办法！</SPAN>]]></description>
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<title><![CDATA[小数点的用处]]></title>
<link>http://www.csyg.com/xdjy/blogg/user1/ygwyy/archives/2008/6122.htm</link>
<author>ygwyy</author>
<pubDate>2008-11-18 9:57:28</pubDate>
<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; COLOR: black; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">&nbsp;<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN lang=EN-US style="FONT-SIZE: 18pt; COLOR: black; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;</SPAN></SPAN><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 18pt; COLOR: black; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">小数点的用处<SPAN lang=EN-US><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></SPAN></B></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 132.25pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-char-indent-count: 10.98; mso-pagination: widow-orphan" align=left><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 12pt; COLOR: black; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">常熟市颜港小学<SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN>五（<SPAN lang=EN-US>2</SPAN>）班<SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp; </SPAN></SPAN>王景园<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></B></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" align=left><SPAN style="FONT-SIZE: 12pt; COLOR: black; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">在日常生活中，我们经常会和数字打交道。可是，我们却很容易忽视数学里的一个很小的符号<SPAN lang=EN-US>——</SPAN>小数点。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" align=left><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">我曾到一家超市里去买过很多东西，忽然发现标价卡上的钱数都是两位小数而不是一位小数，我就问爸爸：<SPAN lang=EN-US>“</SPAN>爸爸，为什么标价卡上的钱数都是两位小数，那些阿姨怎么不把钱数化简成一位小数呢？<SPAN lang=EN-US>”</SPAN>爸爸抚摸着我的头说：<SPAN lang=EN-US>“</SPAN>傻孩子，你知道钱数的小数点点在哪个单位的后面吗？<SPAN lang=EN-US>”</SPAN>我天真地回答道：<SPAN lang=EN-US>“</SPAN>是点在<SPAN lang=EN-US>‘</SPAN>元<SPAN lang=EN-US>’</SPAN>的后面啊。<SPAN lang=EN-US>”</SPAN>爸爸又问：<SPAN lang=EN-US>“</SPAN>那你知道小数部分分别代表什么单位？<SPAN lang=EN-US>”“</SPAN>当然是<SPAN lang=EN-US>‘</SPAN>角<SPAN lang=EN-US>’</SPAN>和<SPAN lang=EN-US>‘</SPAN>分<SPAN lang=EN-US>’</SPAN>了！<SPAN lang=EN-US>”</SPAN>我回答道。爸爸点了点头说：<SPAN lang=EN-US>“</SPAN>你知道就好了，因为钱是由<SPAN lang=EN-US>‘</SPAN>元<SPAN lang=EN-US>’</SPAN>、<SPAN lang=EN-US>‘</SPAN>角<SPAN lang=EN-US>’</SPAN>、<SPAN lang=EN-US>‘</SPAN>分<SPAN lang=EN-US>’</SPAN>三个单位组合而成的，它们在钱数中是必不可少的三个单位，所以在百分位上的<SPAN lang=EN-US>‘<?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:chmetcnv w:st="on" UnitName="’" SourceValue="0" HasSpace="False" Negative="False" NumberType="1" TCSC="0">0’</st1:chmetcnv></SPAN>不能化简，现在你知道了吗？<SPAN lang=EN-US>”“</SPAN>嗯。<SPAN lang=EN-US>”</SPAN>我满意地点了点头。那天，我玩得特别开心，因为我知道了在超市里的标价卡上的钱数不能化简的原因了。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" align=left><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">从上面的标价卡上的数字上，我知道了我们不应该马马虎虎地随便乱点小数点，这样可能会使那个数字扩大或缩小几倍、几十倍，甚至更大的倍数。所以，我们不能轻视这个很小的符号，有时就是因为你忽视了它而产生了不必要的损失。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" align=left><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">小数点是数学中付出较大的一个符号了，它的出现使人类的文明向前迈进了一大步，同是也给人们带来了许多方便。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" align=left><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><SPAN lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><o:p><FONT face="Times New Roman">&nbsp;</FONT></o:p></SPAN></P>]]></description>
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<title><![CDATA[等量代换法求面积]]></title>
<link>http://www.csyg.com/xdjy/blogg/user1/ygwyy/archives/2008/6121.htm</link>
<author>ygwyy</author>
<pubDate>2008-11-18 9:53:27</pubDate>
<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center" align=center><?xml:namespace prefix = v ns = "urn:schemas-microsoft-com:vml" /><v:shapetype id=_x0000_t202 path="m,l,21600r21600,l21600,xe" o:spt="202" coordsize="21600,21600"><v:stroke joinstyle="miter"></v:stroke><v:path o:connecttype="rect" gradientshapeok="t"></v:path></v:shapetype><v:shape id=_x0000_s1056 style="MARGIN-TOP: 0px; Z-INDEX: 3; LEFT: 0px; MARGIN-LEFT: -262.25pt; WIDTH: 12.95pt; POSITION: absolute; HEIGHT: 16.4pt; TEXT-ALIGN: left" type="#_x0000_t202" strokecolor="white"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:lock aspectratio="t" v:ext="edit"></o:lock><v:textbox style="mso-next-textbox: #_x0000_s1056" inset="1.82881mm,.91439mm,1.82881mm,.91439mm"></v:textbox></v:shape><BR></P>
<DIV align=center><IMG height=18 src="http://csyg.com/xdjy/blogg/images/filetype/doc.gif" width=18 border=0><A href="http://csyg.com/xdjy/blogg/user1/ygwyy/upload/1118858973.doc" target=_blank>§打开该WORD文件§</A></DIV>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center" align=center><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"></SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 14pt"><o:p><FONT face=宋体></FONT></o:p></SPAN></B>&nbsp;</P>
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<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 7.5pt; mso-bidi-font-size: 12.0pt"><FONT face="Times New Roman">A<o:p></o:p></FONT></SPAN></P></DIV></TD></TR></TBODY></TABLE></v:textbox></v:shape><v:shape id=_x0000_s1044 style="LEFT: 2358px; WIDTH: 313px; POSITION: absolute; TOP: 4586px; HEIGHT: 408px" type="#_x0000_t202" strokecolor="white"><o:lock aspectratio="t" v:ext="edit"></o:lock><v:textbox style="mso-next-textbox: #_x0000_s1044" inset="1.82881mm,.91439mm,1.82881mm,.91439mm">
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<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 7.5pt; mso-bidi-font-size: 12.0pt"><FONT face="Times New Roman">B<o:p></o:p></FONT></SPAN></P></DIV></TD></TR></TBODY></TABLE></v:textbox></v:shape><v:shape id=_x0000_s1045 style="LEFT: 2358px; WIDTH: 313px; POSITION: absolute; TOP: 3771px; HEIGHT: 408px" type="#_x0000_t202" strokecolor="white"><o:lock aspectratio="t" v:ext="edit"></o:lock><v:textbox style="mso-next-textbox: #_x0000_s1045" inset="1.82881mm,.91439mm,1.82881mm,.91439mm">
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<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 7.5pt; mso-bidi-font-size: 12.0pt"><FONT face="Times New Roman">7<o:p></o:p></FONT></SPAN></P></DIV></TD></TR></TBODY></TABLE></v:textbox></v:shape><v:shape id=_x0000_s1046 style="LEFT: 2984px; WIDTH: 470px; POSITION: absolute; TOP: 4722px; HEIGHT: 408px" type="#_x0000_t202" strokecolor="white"><o:lock aspectratio="t" v:ext="edit"></o:lock><v:textbox style="mso-next-textbox: #_x0000_s1046" inset="1.82881mm,.91439mm,1.82881mm,.91439mm">
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<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 7.5pt; mso-bidi-font-size: 12.0pt"><FONT face="Times New Roman">5<o:p></o:p></FONT></SPAN></P></DIV></TD></TR></TBODY></TABLE></v:textbox></v:shape><v:shape id=_x0000_s1047 style="LEFT: 3454px; WIDTH: 469px; POSITION: absolute; TOP: 4722px; HEIGHT: 408px" type="#_x0000_t202" strokecolor="white"><o:lock aspectratio="t" v:ext="edit"></o:lock><v:textbox style="mso-next-textbox: #_x0000_s1047" inset="1.82881mm,.91439mm,1.82881mm,.91439mm">
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<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 7.5pt; mso-bidi-font-size: 12.0pt"><FONT face="Times New Roman">C<o:p></o:p></FONT></SPAN></P></DIV></TD></TR></TBODY></TABLE></v:textbox></v:shape><v:shape id=_x0000_s1049 style="LEFT: 6271px; WIDTH: 313px; POSITION: absolute; TOP: 4722px; HEIGHT: 408px" type="#_x0000_t202" strokecolor="white"><o:lock aspectratio="t" v:ext="edit"></o:lock><v:textbox style="mso-next-textbox: #_x0000_s1049" inset="1.82881mm,.91439mm,1.82881mm,.91439mm">
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<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT face="Times New Roman">3</FONT></SPAN></P></DIV></TD></TR></TBODY></TABLE></v:textbox></v:shape><v:shape id=_x0000_s1052 style="LEFT: 3432px; WIDTH: 218px; POSITION: absolute; TOP: 3206px; HEIGHT: 580px" type="#_x0000_t202" strokecolor="white"><v:textbox>
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<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT face="Times New Roman">3</FONT></SPAN></P></DIV></TD></TR></TBODY></TABLE></v:textbox></v:shape><v:line id=_x0000_s1053 style="POSITION: absolute" to="3867,3786" from="2779,3206"><FONT face="Times New Roman" size=3></FONT></v:line><v:shape id=_x0000_s1054 style="LEFT: 3447px; WIDTH: 217px; POSITION: absolute; TOP: 2816px; HEIGHT: 580px" type="#_x0000_t202" strokecolor="white"><v:textbox>
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<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 7.5pt"><FONT face="Times New Roman">D<o:p></o:p></FONT></SPAN></P></DIV></TD></TR></TBODY></TABLE></v:textbox></v:shape><?xml:namespace prefix = w ns = "urn:schemas-microsoft-com:office:word" /><w:wrap type="square"></w:wrap></v:group></P>
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<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 7.5pt; mso-bidi-font-size: 12.0pt">A<o:p></o:p></SPAN></P></DIV></TD></TR></TBODY></TABLE></v:textbox></v:shape><v:shape id=_x0000_s1044 style="LEFT: 2358px; WIDTH: 313px; POSITION: absolute; TOP: 4586px; HEIGHT: 408px" type="#_x0000_t202" strokecolor="white"><o:lock aspectratio="t" v:ext="edit"></o:lock><v:textbox style="mso-next-textbox: #_x0000_s1044" inset="1.82881mm,.91439mm,1.82881mm,.91439mm">
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<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 7.5pt; mso-bidi-font-size: 12.0pt">B<o:p></o:p></SPAN></P></DIV></TD></TR></TBODY></TABLE></v:textbox></v:shape><v:shape id=_x0000_s1045 style="LEFT: 2358px; WIDTH: 313px; POSITION: absolute; TOP: 3771px; HEIGHT: 408px" type="#_x0000_t202" strokecolor="white"><o:lock aspectratio="t" v:ext="edit"></o:lock><v:textbox style="mso-next-textbox: #_x0000_s1045" inset="1.82881mm,.91439mm,1.82881mm,.91439mm">
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<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 7.5pt; mso-bidi-font-size: 12.0pt">7<o:p></o:p></SPAN></P></DIV></TD></TR></TBODY></TABLE></v:textbox></v:shape><v:shape id=_x0000_s1046 style="LEFT: 2984px; WIDTH: 470px; POSITION: absolute; TOP: 4722px; HEIGHT: 408px" type="#_x0000_t202" strokecolor="white"><o:lock aspectratio="t" v:ext="edit"></o:lock><v:textbox style="mso-next-textbox: #_x0000_s1046" inset="1.82881mm,.91439mm,1.82881mm,.91439mm">
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<title><![CDATA[记一次社会实践活动六（3）班]]></title>
<link>http://www.csyg.com/xdjy/blogg/user1/zilin/archives/2008/6120.htm</link>
<author>zilin</author>
<pubDate>2008-11-18 9:53:57</pubDate>
<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 108.4pt; mso-char-indent-count: 6.0"><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 18pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">记一次社会实践活动</SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 18pt; mso-bidi-font-size: 12.0pt"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></B></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 240pt; mso-char-indent-count: 20.0"><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">常熟市颜港小学六（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">3</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）班</SPAN><SPAN style="FONT-SIZE: 12pt"><FONT face="Times New Roman"> </FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">程逸飞</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><o:p></o:p></SPAN></P>
<P class=MsoBodyTextIndent style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 18pt; mso-line-height-rule: exactly"><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">今天，我们已从实践基地</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">---</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">蒋巷村回来了。想想这两天来的酸甜苦辣，让人感慨不已。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 18pt; mso-char-indent-count: 2.0; mso-line-height-rule: exactly"><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">这两天，我们做了模型、陶艺，还参加了彩弹射击、军事五项</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">……</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">让大家体验了农民、陶工、军人的不同生活，也过了把军事瘾。在这些活动中，我最喜欢的是军事五项。它分为</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">“</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">蜘蛛网</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">”“</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">匍匐网</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">”“</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">平衡木</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">”“</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">扭扭桥</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">”</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">和</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">“</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">障碍墙</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">”</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">这五个项目。比赛开始了，我头也不回地迅速往上爬，可等我翻到对面时，不经意间望到了地面，</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">“</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">天！我竟在这么高的地方</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">”</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">。一个念头闪过了我的脑海。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">“</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">如果我摔下去咋么办？会不摔断腿？如果</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">……</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">”</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">但时间已不容许我有更多的想法。因为这时我在不经意间见到了与我同时出发的苏雨婷已准备钻进匍匐网了。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">“</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">一个男生怎能输给一个女生呢！</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">”</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">一个声音在我耳边响起。顿时间，一股子男子汉的气概像洪水迸发般涌动全身。于是，我不管三七二十一顺着绳子一溜烟就往下滑，再以</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">“</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">狗刨式</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">”</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的方法不顾满脸泥土地过了匍匐网。哈哈！距离一下子就拉近了。可在平衡木上，我一次又一次地与地面亲密地接触，以致于被后起之秀</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">——</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">时宸超过了。此时的我有些泄气了，但我那不服输的劲头促使我再次爬上去继续走。在一次次的爬起来又摔下去，摔下去又爬起来之中，我终于走完了这段漫漫</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">“</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">征途</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">”</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">。接下去的</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">“</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">扭扭桥</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">”</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">看上去挺容易的，两头吊着绳子，中间又有两条绳子，直接冲过去不就</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">OK</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">了！但，试一下，我就立刻遭到了打击。一开始还行，但在后来，桥突然往右一歪，</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">“</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">扑通</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">”</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">一声，我便真切地体会到了</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">“</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">倒栽葱</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">”</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的滋味。这一摔倒不要紧，倒是把我的脑子给摔开窍了</SPAN><SPAN style="FONT-SIZE: 12pt"><FONT face="Times New Roman"> </FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">。于是我双手紧紧地抓住绳子，两只脚稳稳地站在中间，然后大步走了过去。耶！只剩最后的</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">“</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">障碍墙</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">”</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">了。天！看啊，它居然比我还高一个半的脑袋。开始，我像只猴子似的东跳西窜，可就是过不去。任我抓耳挠腮，也拿它没办法。唉！谁让我这么胖呢？后来，在同学的</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">“</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">又推又抬政策</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">”</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">下，我终于被推过了墙。到达终点时，我已像个泄了气的皮球，瘫坐在地上。唉，这可真够呛的。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 18pt; mso-char-indent-count: 2.0; mso-line-height-rule: exactly"><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">在这两天的实践活动中，不仅让我们体验了独立生活的艰难，还让我们学到了平时所学不到的知识。这次的社会实践活动太有意义了！</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><o:p></o:p></SPAN></P>]]></description>
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