一件上衣,打八折后比现价便宜了70元,这件上衣原价是______元.
人气:419 ℃ 时间:2020-03-31 19:21:00
解答
70÷(1-80%),
=70÷20%,
=350(元);
答:这件衣服的原价是350元.
故答案为:350.
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