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6.8乘37.5加百分之375乘32的简便算法
人气:489 ℃ 时间:2020-06-14 11:09:45
解答
6.8乘37.5+375%乘32
=6.8x10x3.75+3.75x32
=(68+32)x3.75
=100x3.75
=375
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