若一个正数
的平方根为
和
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f13f85438d736028efaebf05a4c42e47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/132977305394a73ac6f359b17a23c82d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
A.7 | B.16 | C.25 | D.49 |
更新时间:2019-08-27 12:14:16
|
A.7 | B.16 | C.25 | D.49 |