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38.2*0.28+3.82*6.1+0.382*11的简便运算
人气:446 ℃ 时间:2020-04-22 06:52:04
解答
38.2*0.28+3.82*6.1+0.382*11
=38.2×0.28+38.2×0.61+38.2×0.11
=38.2×(0.28+0.61+0.11)
=38.2×1
=38.2
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