题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210742-47943.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210742-24528.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210742-85626.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210742-64280.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210742-97838.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210743-66397.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210743-39610.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210743-87950.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210743-74271.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210743-70669.png)
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![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210743-46174.png)
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210742-47943.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210744-98451.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210744-96742.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210744-79933.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210744-81073.png)
∴ △
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210744-16884.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210744-48605.png)
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![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210745-43794.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210745-61279.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210745-16119.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210732-33401.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210733-77897.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210733-25139.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210732-33401.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210733-72479.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210733-67591.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210733-26151.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210734-72967.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210723-81789.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210723-93003.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210723-75604.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210723-93003.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210724-86555.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210724-16382.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210724-62721.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210724-13645.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210725-36451.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210725-81965.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210713-11865.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210713-97342.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210713-83560.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210713-80202.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210713-76396.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210714-55142.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210713-97342.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210714-79032.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210714-61930.png)
(1)求证:△
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210714-43812.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210714-10762.png)
(2)当点
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210713-80202.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210713-76396.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210713-80202.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210715-15148.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210713-83560.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210715-19407.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210715-68083.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210715-85858.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210713-83560.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210703-66311.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210703-27423.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210704-50266.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210704-47649.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210703-27423.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210704-50017.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210704-25120.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210704-15137.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210704-50017.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210705-17503.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210705-69521.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210705-30897.png)
(1)求证:
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210705-20399.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210705-77294.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210706-48395.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210706-66214.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210649-49075.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210649-41897.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210649-74118.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210650-53915.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210650-45569.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210650-13840.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210651-62057.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210651-98209.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210651-94045.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210652-76296.png)
求证:(1)△
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210652-70663.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210652-94078.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102210653-79732.png)
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