新华书店运到一批图书,第一天卖出这批图书的32%,第二天卖出这批图书的45%.已知第一天卖出640本.第二天比第一天多卖出多少本?
人气:150 ℃ 时间:2019-11-15 07:58:05
解答
640÷32%×(45%-32%)
=2000×13%
=260(本)
答:第二天比第一天多卖出260本.
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