甲数的五分之二等于乙数的四分之三,
甲数是乙数的几分之几?
3/4÷2/5=15/8
甲数比乙数多几分之几?
15/8-1=7/8
甲数的五分之二等于乙数的四分之三,甲数是乙数的几分之几?甲数比乙数多几分之几?
甲数的五分之二等于乙数的四分之三,甲数是乙数的几分之几?甲数比乙数多几分之几?
数学人气：806 ℃时间：2019-10-24 12:28:52
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