题目
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答案
解析
核心考点
举一反三
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A.![]() | B.![]() | C.![]() | D.![]() |
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(1)求圆
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023041407-95344.gif)
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![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023041409-37762.gif)
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![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023041409-95229.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023041403-10308.gif)
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![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023041403-10308.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023041404-70335.gif)
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