问题描述: 5.6×0.375+38 1个回答 分类:数学 2014-11-24 问题解答: 我来补答 5.6×0.375+38×5.4-0.375×0.9,=5.6×0.375+0.375×5.4-0.375×0.9,=(5.6+5.4-0.9)×0.375,=10.1×0.375,=(10+0.1)×0.375,=10×0.375+0.1×0.375,=3.75+0.0375,=3.7875. 展开全文阅读