(1)计算:
;
(2)解方程:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6da57673d8693e77bba2cdb1e6e8e086.png)
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a4e8749ff7485db51e4503618da2b18.png)
更新时间:2021-11-25 17:02:40
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【推荐2】已知某正数的两个平方根分别是
和
,n的立方根是
.
(1)求m,n的值,并求这个正数;
(2)求
的平方根.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35f85ef59cfd79c1e01b71514fbc4bf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392b6efd7412a3be4c3a0fe9824a7761.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
(1)求m,n的值,并求这个正数;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72850427e83ff19a24305783e080b280.png)
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