6.1×3.7+3.7×4.2-0.37×3简便
3个回答
2022-10-27
展开全部
简便计算过程如下
6.1×3.7+3.7×4.2-0.37×3
=6.1×3.7+3.7×4.2-3.7×0.1×3
=6.1×3.7+3.7×4.2-3.7×0.3
=3.7×(6.1+4.2-0.3)
=3.7×10
=37
望采纳
6.1×3.7+3.7×4.2-0.37×3
=6.1×3.7+3.7×4.2-3.7×0.1×3
=6.1×3.7+3.7×4.2-3.7×0.3
=3.7×(6.1+4.2-0.3)
=3.7×10
=37
望采纳
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