101*51.8-1.25*51.8*0.8怎么简便

来源:学生作业帮助网 编辑:六六作业网 时间:2024/05/26 16:54:15
101*51.8-1.25*51.8*0.8怎么简便101*51.8-1.25*51.8*0.8怎么简便101*51.8-1.25*51.8*0.8怎么简便101×51.8-1.25×51.8×0.8

101*51.8-1.25*51.8*0.8怎么简便
101*51.8-1.25*51.8*0.8怎么简便

101*51.8-1.25*51.8*0.8怎么简便
101×51.8-1.25×51.8×0.8
=101×51.8-(1.25×0.8)×51.8
=101×51.8-1×51.8
=(101-1)×51.8
=100×51.8
=5180