甲乙两班共108人,甲调7分之1到乙,则甲乙的比是4:5.甲原有多少人?
甲乙两班共108人,甲调7分之1到乙,则甲乙的比是4:5.甲原有多少人?
数学人气：506 ℃时间：2020-06-08 11:28:38
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甲56人,乙52
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