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191问答库 > 一个数的分数次方，怎么开方，规律是什么。例如 24的三分之二次方。

一个数的分数次方，怎么开方，规律是什么。例如 24的三分之二次方。

2025-03-15 17:15:42

推荐回答（5个）

回答1：

就是24先平方再开三次方

回答2：

回答3：

相当于24的平方再开三次。
eg. 2的二分之三次方就是根号8就是2根号2.

回答4：

24^(2/3)
=(8×3)^(2/3)
=8^(2/3)×3^(2/3)
=2×3^(2/3)

回答5：

8的3分之2次方是4吧

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