求下列各式的x的值
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c70a7467692c23310b21710706240b2.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c70a7467692c23310b21710706240b2.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d337799bc2ab228ce8a60d465135fba.png)
更新时间:2024-05-19 21:57:59
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较易
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【推荐1】已知一个正数
的两个平方根分别为
和
.
(1)求
的值,并求这个正数
;
(2)求
的立方根.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83666674f1111c699d7c5f7b792e0285.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a24cdbaa119a8e5b7c09e8ce010781f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15e2d06ff421e27ad8b1c31e2e37bd09.png)
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