题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106043950-85173.gif)
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![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106043952-60484.gif)
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106043951-52977.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106043952-28968.gif)
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![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106043953-41970.gif)
过
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106043951-94342.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106043953-13202.gif)
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![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106043954-25046.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106043954-98565.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106043954-89304.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106043955-33585.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106043955-55545.gif)
又∵
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106043955-12885.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106043955-33309.gif)
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![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106043952-60484.gif)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106043942-76622.gif)
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![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106043943-70976.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106043944-23067.gif)
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![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106043933-56579.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106043933-99804.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106043933-61818.gif)
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![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106043934-74613.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106043934-72879.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106043934-81881.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106043935-47502.gif)
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![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106043927-35286.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106043927-35286.gif)
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![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106043927-64404.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106043918-43503.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106043919-40044.gif)
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![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106043919-84879.gif)
求证:BE不可能垂直于平面SCD.
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106043912-54545.jpg)
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