题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044641-34102.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044642-85701.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044644-90459.gif)
求证:
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044645-25718.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044645-25718.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044645-41917.gif)
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044645-25329.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044645-47549.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044645-12422.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044645-88274.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044646-94154.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044646-35873.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044646-44388.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044647-83088.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044647-92906.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044647-67055.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044647-62650.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044646-35873.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044647-18991.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044648-71092.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044647-18991.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044647-67055.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044646-35873.gif)
四边形
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044648-25253.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044648-69917.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044648-51886.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044645-25718.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044649-14398.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044645-25718.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044649-18513.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044649-56969.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044645-25718.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044645-25718.gif)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044631-91478.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044631-15591.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044632-45406.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044632-88793.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044632-59637.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044632-75082.gif)
平面
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044632-69495.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044632-19199.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044632-45054.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044632-79762.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044632-16209.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044633-24634.gif)
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如图,已知直线
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044615-19118.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044615-43492.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044615-21471.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044615-78719.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044616-39243.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044615-19118.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044615-43492.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044615-21471.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106044616-94165.gif)
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