已知,m+2的算术平方根是2,2m+n的立方根是3,则m+n=_____ .
更新时间:2020-03-04 17:30:02
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【推荐2】已知a的立方根是2,b是
的整数部分,c是9的平方根,则
的算术平方根是___________ .
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【推荐1】化简:(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5270206efc6bfc4dd17601e27ef05feb.png)
_______ , (2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/902420dc24545a3b1b8bbb4dbbb938de.png)
_______ ,(3)
= ______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5270206efc6bfc4dd17601e27ef05feb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/902420dc24545a3b1b8bbb4dbbb938de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c658b3137ff71c52c1ed3c854eedda9.png)
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名校
【推荐2】(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e128ce9af7ad42be3f0e87a1507f1029.png)
_____ ;
(2)|3
|=_____ ;
(3)﹣8的立方根是_____ ;
(4)4的平方根是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e128ce9af7ad42be3f0e87a1507f1029.png)
(2)|3
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73116ea07dd775affcfa9630ecfbcddb.png)
(3)﹣8的立方根是
(4)4的平方根是
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