题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011459-96432.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011459-81248.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011459-83271.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011459-92394.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011459-83271.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011459-83271.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011459-83271.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011500-16582.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011459-96432.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011459-81248.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011459-83271.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011459-81248.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011447-57499.png)
(Ⅰ)求
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011447-49559.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011447-34774.png)
(Ⅱ)求二面角
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011447-91574.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011448-27452.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011440-66864.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011440-90447.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011440-93515.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011436-56763.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011437-61454.jpg)
A.
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011437-50349.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011437-19376.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011437-92548.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011438-35275.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011430-73717.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011430-53441.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011431-95674.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011431-64680.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011425-53770.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011425-24566.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011425-10241.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011425-79997.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011426-19765.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011426-66775.png)
A.
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011426-76678.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011426-28209.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011426-58366.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022011427-85826.png)
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