一袋面粉的1/5比它的30%少1/2kg,这袋面粉重多少kg?
一袋面粉的1/5比它的30%少1/2kg,这袋面粉重多少kg?
列式计算
列式计算
数学人气:646 ℃时间:2019-10-23 12:37:41
优质解答
1/2÷(30%-1/5)=5kg
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