计算:
=____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/451a8e554b09e10ae13e8d1f775d9112.png)
更新时间:2019-04-16 15:58:42
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【推荐2】一般地,二次根式的除法法则是;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71f6d0ae034ea531641ed012743060aa.png)
__________ ,反过来,可得;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/144a84a9c14fbca39ef54e3696c488af.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71f6d0ae034ea531641ed012743060aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/144a84a9c14fbca39ef54e3696c488af.png)
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