一个正数
的两个平方根分别是
和
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7570c77bd375f4dfdffee64fce8d1a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6325939aaac75c6ec74e842251fdd0c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
更新时间:2017-05-22 12:07:29
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【知识点】 已知一个数的平方根,求这个数解读
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【推荐1】已知正实数x的两个平方根分别是m和
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(0.85)
【推荐2】一个正数
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