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5.23×4+4.77÷0.25的简便计算
人气:103 ℃ 时间:2020-03-07 14:26:21
解答
5.23×4+4.77÷0.25 =5.23x4+4.77x4 =(5.23+4.77)x4 =10x4 =40
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