(1+0.34+0.45)x(0.34+0.45+0.86)-(1+0.34+0.45+0.86)x(0.34+0.45)
答案:1 悬赏:20 手机版
解决时间 2021-02-16 21:08
- 提问者网友：山高云阔
- 2021-02-15 23:49
(1+0.34+0.45)x(0.34+0.45+0.86)-(1+0.34+0.45+0.86)x(0.34+0.45)
最佳答案
- 五星知识达人网友：酒醒三更
- 2021-02-16 00:13
(1+0.34+0.45)x(0.34+0.45+0.86)-(1+0.34+0.45+0.86)x(0.34+0.45) =(1+0.34+0.45)x(0.34+0.45)+(1+0.34+0.45)x0.86-[(1+0.34+0.45)x(0.34+0.45)+0.86x(0.34+0.45)] =(1+0.34+0.45)x(0.34+0.45)+0.86+(0.34+0.45)x0.86-(1+0.34+0.45)x(0.34+0.45)-0.86x(0.34+0.45) =0.86
满意请采纳
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