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来源：蜘蛛抓取(WebSpider) 时间：2015-06-19 01:50 标签： k3591
如图，在△ABC中，已知∠B＝1/2∠A＝1/3∠C，AB＝8cm。求证△ABC为直角三角形。求A_百度知道
如图，在△ABC中，已知∠B＝1/2∠A＝1/3∠C，AB＝8cm。求证△ABC为直角三角形。求A
com/zhidao/pic/item/b17ecad3ecb585a444ad./zhidao/wh%3D600%2C800/sign=de4df300c9bf6c81f7e9d0d/b17ecad3ecb585a444ad.jpg" target="_blank" title="点击查看大图" class="ikqb_img_alink"><img class="ikqb_img" src="/zhidao/wh%3D450%2C600/sign=5b179e66b43533faf5e39b2a9de3d129/b17ecad3ecb585a444ad，在△ABC中://c://c如图://c.baidu.hiphotos，AB＝8cm。求AB边上的中线长<img class="ikqb_img" src="http./zhidao/wh%3D450%2C600/sign=aff819f1700b4eef8466db/f9dcd100baa1cd11e4ae6d48bc12c8fcc3ce2db9://g:///zhidao/wh%3D600%2C800/sign=2f738dde1fc69//zhidao/pic/item/f9dcd100baa1cd11e4ae6d48bc12c8fcc3ce2db9<a href="http
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太给力了，你的回答完美地解决了我的问题，非常感谢！
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&#768;&#769你是初中生还是高中生(&#3591;)&#3591; &#8226;_&#8226
解：令AB中点为D，连接CD。则CD为△ABC中AB边上的中线。∵AB=8∴AD=4∵∠B=30°∴AC=AB×sin30°=4在△ACD中AC=AD,∠A=60°∴△ACD为等边三角形。∴CD=4
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出门在外也不愁把A boy saw him enter the house改为被动语态，谢谢。急(&#3591; &#8226;&#768;_&#8226;&#769;_百度知道
把A boy saw him enter the house改为被动语态，谢谢。急(&#3591; &#8226;&#768;_&#8226;&#769;
谢谢把A boy saw him enter the house改为被动语态;)&#3591;&#768; &#8226。急(&#3591，谢谢;&#769;_&#8226
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he was seen to enter the house by a boy
提问者评价
太给力了，你的回答完美地解决了我的问题，非常感谢！
来自团队：
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He was seen enter the house by a boy.
He was seen entering the house by a boy.
慢了十秒。下次加油。谢谢（鞠躬）(&#3591; &#8226;&#768;_&#8226;&#769;)&#3591;
可是他那个不对啊… &#128531;&#128531;&#128531;
He was saw entered the house by a boy
He entered the house was seen by a boy
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出门在外也不愁动漫人物的眼泪怎么画呢_百度知道
动漫人物的眼泪怎么画呢
我有更好的答案
&#8226.hiphotos这个是个人见解觉得主要是能表现出水的那种透明的质感.jpg" />
可以参考一下素描的画法
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出门在外也不愁想求老师帮忙做这五道题。英语翻译。谢谢各位了_百度知道
想求老师帮忙做这五道题。英语翻译。谢谢各位了
p>&/zhidao/wh%3D600%2C800/sign=78ad703b82da3ec1ed21b0ef41bd552c20cdb3d99.hiphotos://h.com/zhidao/pic/item/7c1ed21b0ef41bd552c20cdb3d99://h.baidu.baidu.hiphotos.jpg" target="_blank" title="点击查看大图" class="ikqb_img_alink"><img class="ikqb_img" src="http.hiphotos.jpg" esrc="http://h.com/zhidao/wh%3D450%2C600/sign=f8a4fcff0/7c1ed21b0ef41bd552c20cdb3d99;<a href="http
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the expense of every month&the& up&and skillsI can&#39;one if we save &t let the headache go away& with& common people is nothing less than a&whatener & project.I think the to &nbsp.&nbsp.The number can add&nbsp，看看能不能帮到你;I&the little money&criminals to release the hostages calls for patience &&&, I&revolution& from&& 很荣幸做一回你的英语老师;&do not want& to&nbsp.The dream of their connectting computers&nbsp.Persuading && a considerable&nbsp
提问者评价
太给力了，你的回答完美的解决了我的问题！
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which is nothing less than a&nbsp.Persuade the&nbsp.Every month saving a little money, I can&#39.They want to connect t let the headache go away.I think thecriminals to release the hostages calling for patient and skillI can&#39, add up to a lots of money
十分感谢你 同样很认真的帮助了我 谢谢你
How can I get rid of this headacheIt takes a long time and will to persuade the criminals to release the hostages.I watched the whole team play well, I don&#39;t want to get out of any team.The monthly expenditure of the remaining money, for a long time, accumulate together is a considerable number ofThey want to connect the computer with the average person as much as a revolutionary project.
How I can not go this headache away!Persuade gangsters need call for patience and skill required hostages.........
度娘(&#3591; &#8226;&#768;_&#8226;&#769;)&#3591;
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