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5.23×4+4.77÷0.25怎么简便运算
人气:220 ℃ 时间:2020-01-29 03:04:13
解答
5.23×4+4.77÷0.25
=5.23×4+4.77×4
=(5.23+4.77)×4
=10×4
=40
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