题目
题型:解答题难度:一般来源:期末题
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821040317-71575.png)
(2)化简:
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821040317-59640.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821040317-75160.png)
(2)原式=
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821040317-37097.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821040312-95676.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821040312-78774.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821040312-37009.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821040313-72238.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821040309-57543.png)
(2)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821040310-58380.png)
(3)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821040310-71098.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821040307-55546.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821040307-33680.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821040307-61987.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821040307-29751.png)
(1)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821040303-84742.png)
(2)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821040303-84276.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821040302-33080.png)
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