简便计算 1.25×0.25×0.05×64
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:2024/07/27 23:05:41
简便计算 1.25×0.25×0.05×64
1.25×0.25×0.05×64
=1.25×0.25×0.05×8×4×2
=(1.25×8)×(0.25×4)×(0.05×)
=10×1×0.1
=1
=1.25×0.25×0.05×8×4×2
=(1.25×8)×(0.25×4)×(0.05×)
=10×1×0.1
=1