作业帮 > 综合 > 作业

(0.1×0.2×0.4+0.2×0.4×0.8+0.3×0.6×1.2)分之(0.1×0.3×0.9+0.2×0.6×

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:2024/08/11 07:12:47
(0.1×0.2×0.4+0.2×0.4×0.8+0.3×0.6×1.2)分之(0.1×0.3×0.9+0.2×0.6×0.8+0.3×0.9×2.7)=
(0.1×0.2×0.4+0.2×0.4×0.8+0.3×0.6×1.2)分之(0.1×0.3×0.9+0.2×0.6×
0.1×0.2×0.4+0.2×0.4×0.8+0.3×0.6×1.2)分之(0.1×0.3×0.9+0.2×0.6×0.8+0.3×0.9×2.7)
=0.1×0.2×0.4×(1+2+3)分之(0.1×0.3×0.9×(1+2+3))
=0.1×0.2×0.4/(0.1×0.3×0.9)
=8/27祝你学习天天进步!