设甲数为X,乙数为Y,则X=(1-60%)Y
即Y=X/(1-60%) Y=1/40% X = 2.5X = (1+150%)X 即乙数比甲数多百分之150
甲数比乙数少百分之60,那么乙数比甲数多百分之几
甲数比乙数少百分之60,那么乙数比甲数多百分之几
列式子,
列式子,
数学人气：961 ℃时间：2019-10-19 16:59:17
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