125*1.2*1.5*1.8*3.2 与12.5*67+53*3.1+72*3.1 怎样简便计算,谢谢!
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:综合作业 时间:2024/08/18 03:28:18
125*1.2*1.5*1.8*3.2 与12.5*67+53*3.1+72*3.1 怎样简便计算,谢谢!
![125*1.2*1.5*1.8*3.2 与12.5*67+53*3.1+72*3.1 怎样简便计算,谢谢!](/uploads/image/z/4911909-69-9.jpg?t=125%2A1.2%2A1.5%2A1.8%2A3.2+%E4%B8%8E12.5%2A67%2B53%2A3.1%2B72%2A3.1+%E6%80%8E%E6%A0%B7%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%2C%E8%B0%A2%E8%B0%A2%21)
125*1.2*1.5*1.8*3.2
=125×3.2×1.5×1.2×1.8
=125×0.8×4×1.5×2.16
=100×6×2.16
=6×216
=1296
=125×3.2×1.5×1.2×1.8
=125×0.8×4×1.5×2.16
=100×6×2.16
=6×216
=1296