题目
题型:填空题难度:简单来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821002437-97765.png)
答案
解析
试题分析:二次根式的乘法法则:
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821002437-31244.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821002437-39640.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821002436-28894.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821002434-57022.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821002430-10303.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821002430-37261.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821002431-28287.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821002431-76152.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821002431-68024.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821002431-68024.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821002427-72256.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821002427-85919.png)
(2)求
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821002427-36832.png)
A.(2![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
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