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歡迎您訪問數學考題練習:=________,=________.!

數學考題練習:=________,=________.

更新時間:2024-01-12 16:36:21作者:貝語網校

=________,=________.

試題答案

2    -6

試題解析

根據算術平方根的定義求出即可,根據立方根的意義求出即可.

解答:=|-2|=2,

=-6,

故答案為:2,-6.

點評:本題考查了對算術平方根和立方根的應用,注意:當a≥0時,≥0,一個負數的立方根是一個負數.

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