琉璃那 发表于 2008-4-22 12:48:23

一元二次方程组

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21.1pt; TEXT-INDENT: -21.1pt; mso-char-indent-count: -2.0;"><b><span lang="EN-US"><font face="">11</font></span></b><b><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: '';">．用</span><span lang="EN-US"><font face="">16</font></span></b><b><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: '';">元买了</span><span lang="EN-US"><font face="">60</font></span></b><b><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: '';">分、</span><span lang="EN-US"><font face="">80</font></span></b><b><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: '';">分两种邮票共</span><span lang="EN-US"><font face="">22</font></span></b><b><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: '';">枚。</span><span lang="EN-US"><font face="">60</font></span></b><b><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: '';">分与</span><span lang="EN-US"><font face="">80</font></span></b><b><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: '';">分的邮票各买了多少枚？</span><span lang="EN-US"><p></p></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21.1pt; TEXT-INDENT: -21.1pt; mso-char-indent-count: -2.0;"><b><span lang="EN-US"><font face="">12</font></span></b><b><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: '';">．已知梯形的面积是</span><span lang="EN-US"><font face="">42cm<sup>2</sup></font></span></b><b><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: '';">，高是</span><span lang="EN-US"><font face="">6cm</font></span></b><b><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: '';">，它的下底比上底的</span><span lang="EN-US"><font face="">2</font></span></b><b><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: '';">倍少</span><span lang="EN-US"><font face="">1cm</font></span></b><b><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: '';">，求梯形的上下底。</span><span lang="EN-US"><p></p></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: '';">更多精彩请登陆：</span><span lang="EN-US"><font face="">http://www.edu-chn.com/mskt/index.jsp</font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 89.25pt; mso-char-indent-count: 8.5;"><span lang="EN-US"><font face="">http://klyj.edu-chn.com/</font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><p><font face="">&nbsp;</font></p></span></p>

sdjyqyf 发表于 2008-4-22 13:08:13

？你在问小学生吗？

哈喂 发表于 2008-5-4 17:33:52

60分8张~80分14张

小炯子 发表于 2008-5-7 17:01:37

<p>？？？？？？？？？？？？？？？？？？</p><p>这贴???发错地方？</p>
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