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5.6×0.375+38

来源:学生作业帮 编辑:百度作业网作业帮 分类:数学作业 时间:2024/05/14 01:23:36
5.6×0.375+
3
8
5.6×0.375+38
5.6×0.375+
3
8×5.4-0.375×0.9,
=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.