题目
题型:不详难度:来源:
A.![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155629-77926.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155629-84151.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155629-55169.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155630-12198.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155630-26532.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155630-97805.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155630-44449.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155630-94291.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155631-95228.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155631-20621.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155631-22345.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155625-18089.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155625-70417.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155626-48577.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155619-18624.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155619-45903.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155619-13580.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155619-72049.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155619-31432.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155619-79000.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155619-67027.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155619-15257.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155619-18624.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155620-34844.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155620-71000.png)
(2)若圆
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155620-50406.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155620-35194.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155620-34844.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155620-62037.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155620-48844.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155620-50406.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155620-90339.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155613-15869.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155613-28851.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155613-21003.png)
A.a=2 b=5 | B.a=2 b= -5 | C.a= -2 b= 5 | D.a= -2 b= -5 |
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155608-88929.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155603-85424.png)
(1)求线段BC中垂线的方程;
(2)求
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022155603-85424.png)
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