题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152441-76378.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152441-42386.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152441-78803.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152441-42130.gif)
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![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152443-97314.jpg)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152443-39132.gif)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152443-88990.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152443-42430.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152443-57323.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152444-85566.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152441-42130.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152444-45062.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152443-39132.gif)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152433-15642.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152434-37550.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152434-87404.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152425-54756.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152426-29284.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152426-43270.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152426-35791.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152426-12824.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152427-85733.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152427-13492.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152425-54756.gif)
A.b=(![]() | B.b=(![]() |
C.b=![]() | D.b=![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152408-26863.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152408-42220.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152408-87237.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152408-87614.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152409-41227.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152409-49388.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152409-16792.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152409-83443.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152410-44296.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152410-66820.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152410-25584.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152410-76254.gif)
(Ⅱ)求四棱锥
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152408-26863.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021152405-98163.gif)
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