1、某商场衣服打八折后降了50元,这件衣服原价多少元?
1、某商场衣服打八折后降了50元,这件衣服原价多少元?
数学人气:461 ℃时间:2019-09-27 15:03:00
优质解答
50÷(1-0.8)=250元
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