6.88×0.37+6.88×0.73-6.88
=6.88×﹙0.37＋0.73－1﹚
=6.88×0.1
=0.688
6.88×0.37+6.88×0.73-6.88的简便计算
6.88×0.37+6.88×0.73-6.88的简便计算
数学人气：341 ℃时间：2020-02-02 19:34:47
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