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1.75×53.8-0.537×75-53.7 简便计算

来源:学生作业帮 编辑:搜搜考试网作业帮 分类:综合作业 时间:2024/07/11 02:26:42
1.75×53.8-0.537×75-53.7 简便计算
1.75×53.8-0.537×75-53.7 简便计算
1.75×53.8-0.537×75-53.7
=1.75×53.8-53.7×0.75-53.7
=1.75×53.8-53.7×(0.75+1)
=1.75×53.8-53.7×1.75
=1.75×(53.8-53.7)
=1.75×0.1
=0.175