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八的立方根是多少?
更新时间: 2021-05-26 10:28:19  

1、八的立方根是2。

2、立方根和立方是相互的逆运算,立方根是指一个数立方等于a,那么这个数叫a的立方根。

3、2的立方是8(23=8),因此8的立方根是2。

4、如果一个数的立方等于a,那么这个数叫a的立方根,也称为三次方根。也就是说,如果x3=a,那么x叫做a的立方根。

关键词: 立方根 多少

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