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3.82*0.69+3.82*0.31+38.2简便计算
人气:489 ℃ 时间:2020-03-25 00:42:41
解答
3.82*0.69+3.82*0.31+38.2
=3.82*0.69+3.82*0.31+3.82*10
=3.82*(0.69+0.31+10)
=3.82*11
=42.02
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