化简,
=______ ;
= ________ ;
= ______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd1ec46ae46143e3ba5b1d75b1a84ab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f03750d6d723e091556b307b21cd1a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5be7821872c2f83d39ffaea5216d09.png)
更新时间:2019-09-03 09:59:49
|
【知识点】 利用二次根式的性质化简解读