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<p>#1 两个微积分问题^<br /><small>积分        1<br />
   ________________________<br />
    x^2 * 根号下(1 + x^2)<br />
<br />
积分        1<br />
   ________________________<br />
    cos^2 x + 3sin^2 x<br />
<br />
x^2 ——〉x平方<br />
cos^2 x ——〉cos平方x<br />
sin^2 x ——〉sin平方x<br />
<br />
<br />
不是作业……但是往年考卷。。</small><br />
9/29 10:26<br />
Z_Artemis<br /></p>
<p>#2 <br /><small>公主应该手到擒来吧:titter:<br />
<br />
话说乃是 ..</small><br />
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<p>#2 <a href="index.php?action=thread&amp;tid=177023&amp;start=1&amp;offset=51&amp;sid=D60pKZ">&gt;&gt;下页</a><br />
<br />论坛:<a href="index.php?action=forum&amp;fid=62&amp;sid=D60pKZ">辕门射虎</a>
<br />主题:<a href="index.php?action=thread&amp;tid=177023&amp;sid=D60pKZ">两个微积分问题^ ...</a>
<br />下一主题:<a href="index.php?action=thread&amp;tid=202576&amp;sid=D60pKZ">打一物</a>
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