帮我出80道负数的加减法
帮我出80道负数的加减法
是算式
是算式
数学人气：732 ℃时间：2020-05-02 13:29:46
优质解答
-8*9-8*9-8*9-8*-8*9-8*9-8*9-8*99-8*9-8*9-8*9-8*9-8*9-8*9--8*9-8*9-8*9-8*-8*9-8*9-8*9-8*99-8*9-8*9-8*9-8*9-8*9-8*9-8*9-8*98*9-8*9-8*9-8*9-8*9-8*-8*9-8*9-8*9-8*99-8*9-8*9-8*9-8*9-8*9-8*9-8*9-8*9-8*-8*9-8*9-8*9-8*99-8*9-8*9-8*9-8*9-8*9-8*9-8*9-8*9-8*9-8*9-8*9-8*9-8*9-8*9-8*-8*9-8*9-8*9-8*99-8*9-8*9-8*9-8*9-8*9-8*9-8*9-8*9
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