20.12×37-201.2×1.9+4024×0.41

qqyyxiao2022-10-04 11:39:541条回答

20.12×37-201.2×1.9+4024×0.41
简便算法哦

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ylddyl 共回答了17个问题 | 采纳率94.1%
解20.12×37-201.2×1.9+4024×0.41
=2012×0.37-2012×0.19+2012×0.82
=2012×(0.37-0.19+0.82)
=2012×(0.18+0.82)
=2012×1
=2012
1年前

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