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初中七下數學立方根
初中七下數學立方根
更新时间:2026-06-21 02:37:50

如果一個數的立方等于a,那麼這個數叫做a的立方根或三次方根。

如果x³=a,那麼x叫做a的立方根。

正數的立方根是正數,負數的立方根是負數,0的立方根是0。

求一個數的立方根的運算,叫做開立方。

初中七下數學立方根(初中數學立方根)1

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