8.5*0.75-7.5*四分之三 简算
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/07 14:08:00
8.5*0.75-7.5*四分之三 简算
8.5*0.75-7.5*四分之三 简算
8.5*0.75-7.5*四分之三 简算
![8.5*0.75-7.5*四分之三 简算](/uploads/image/z/7831740-12-0.jpg?t=8.5%2A0.75-7.5%2A%E5%9B%9B%E5%88%86%E4%B9%8B%E4%B8%89+%E7%AE%80%E7%AE%97)
8.5×0.75-7.5×3/4
=8.5×0.75-7.5×0.75
=0.75×(8.5-7.5)
=0.75
3/4=0.75
=8.5×0.75-7.5×0.75
=0.75×(8.5-7.5)
=0.75
3/4=0.75