54*10/8 *10/9
=54*5/4 *10/9
=6*5/4 *10=3*5*5=75
一条裤子,在原价打8折的基础上再打9折后的价格是54元,这条裤子的原价是多少
一条裤子,在原价打8折的基础上再打9折后的价格是54元,这条裤子的原价是多少
数学人气:505 ℃时间:2020-06-17 17:43:06
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