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9的算术平方根是多少?
更新时间: 2021-05-18 10:25:51  

1、9的算术平方根是3。

2、任何一个正数都有两个平方根,其中正的平方根称为算术平方根.9的平方根是正负3,所以9的算术平方根是3。

3、一般地说,若一个非负数x的平方等于a,即x2=a,则这个数x叫做a的算术平方根。

关键词: 算术 平方根 多少

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