惠娜芳子 ,
分子是:5×2×2×3=60
分母是:6×2×2×3=72
原来分数是:60/72
把一个分数约分,用2约了二次,用3约了一次.得6分之5原来这个数是多少?并说明解题过程.谢谢…………
把一个分数约分,用2约了二次,用3约了一次.得6分之5原来这个数是多少?并说明解题过程.谢谢…………
数学人气:272 ℃时间:2019-11-21 00:22:43
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