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5.23×4+4.77÷0.25简便计算
人气:201 ℃ 时间:2020-02-15 08:51:23
解答
5.23×4+4.77÷0.25
=5.23×4+4.77÷1/4
=5.23×4+4.77×4
=4×(5.23+4.77)
=4×10
=40
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