列式计算:(1)56除以8个2/9的和,商是多少?
(2)甲数是1/4的3/4,乙数的1/2是1/4,甲数是乙数的几分之几?
人气:186 ℃ 时间:2019-10-31 13:03:44
解答
(1)56/(8乘2/9)=63/2
(2) 甲=1/4乘3/4=3/16
1/2乙=1/4
乙=1/2
甲/乙=3/8
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