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火車網

九的立方根是多少? 給大家計算一下

體育更新時間:2024-06-03 00:59:35

1、9^1/3=3^2/3≈2.080083823=2.0801

2、如果一個數的立方等于a,那么這個數叫a的立方根,也稱為三次方根。也就是說,如果x3=a,那么x叫做a的立方根。

3、注意:在平方根中的根指數2可省略不寫,但立方根中的根指數3不能省略不寫。

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