(0.1+3.3+7+0.7+0.9)×0.125简便计算
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:2024/06/24 19:15:33
(0.1+3.3+7+0.7+0.9)×0.125简便计算
![(0.1+3.3+7+0.7+0.9)×0.125简便计算](/uploads/image/z/18836543-47-3.jpg?t=%EF%BC%880.1%2B3.3%2B7%2B0.7%2B0.9%EF%BC%89%C3%970.125%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97)
(0.1+3.3+7+0.7+0.9)×0.125
=(0.1+0.9+3.3+0.7+7)×0.125
=(1+4+7)×0.125
=(4+8)×0.125
=4×0.125+8×0.125
=0.5+1
=1.5
=(0.1+0.9+3.3+0.7+7)×0.125
=(1+4+7)×0.125
=(4+8)×0.125
=4×0.125+8×0.125
=0.5+1
=1.5