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絕對值運算法則
絕對值運算法則
更新时间:2024-08-30 07:14:34

  1、兩個正數相加,絕對值等于他們相加後得數。兩個負數相加,絕對值等于他們相加後得數的相反數。

  2、一正一負的數相加,正數的值大于負數去掉負号後的值,絕對值等于他們相加。正數的值小于負數去掉負号後的值,絕對值等于他們相加後的相反數。

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