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<p>#1 帮忙解一道高三数学题<br /><small>曲线Y=4/X在点(2,2)处的切线的倾斜角为多少???<br />
  麻烦大家帮个忙啊,我不会解啊.成绩差了</small><br />
7/12 13:47<br />
震天小霸王<br /></p>
<p>#2 <br /><small>应该是45度吧？<br />
呵呵，10多年没有看书了，不记得了</small><br />
7/12 14:23<br />
天下第一水货<br /></p>
<p>#3 <br /><small>135度</small><br />
7/12 14:33<br />
霜染白狐头<br /></p>
<p>#4 <br /><small>过程在哪啊?</small><br />
7/12 14:41<br />
震天小霸王<br /></p>
<p>#5 <br /><small>..</small><br />
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