9.6X28.5十O.285X41用简便方法怎么计算
答案:2 悬赏:20 手机版
解决时间 2021-01-15 23:25
- 提问者网友：鐵馬踏冰河
- 2021-01-15 19:29
9.6X28.5十O.285X41用简便方法怎么计算
最佳答案
- 五星知识达人网友：一把行者刀
- 2021-01-15 19:49
9.6×28.5 +0.285×41 = 9.6×28.5 +28.5×0.41 = 9.6×28.5 +28.5×(0.4+0.01) = 9.6×28.5 +28.5×0.4+28.5×0.01 = 28.5×(9.6+0.4) +28.5×0.01 = 28.5×10 +0.285 = 285+0.285 = 285.285 ~ 满意请采纳，不清楚请追问。 -------------------- ~ 梳理知识... 9.6×28.5 +0.285×41 = 9.6×28.5 +28.5×0.41 = 9.6×28.5 +28.5×(0.4+0.01) = 9.6×28.5 +28.5×0.4+28.5×0.01 = 28.5×(9.6+0.4) +28.5×0.01 = 28.5×10 +0.285 = 285+0.285 = 285.285 ~ 满意请采纳，不清楚请追问。 -------------------- ~ 梳理知识... 9.6×28.5 +0.285×41 = 9.6×28.5 +28.5×0.41 = 9.6×28.5 +28.5×(0.4+0.01) = 9.6×28.5 +28.5×0.4+28.5×0.01 = 28.5×(9.6+0.4) +28.5×0.01 = 28.5×10 +0.285 = 285+0.285 = 285.285 ~ 满意请采纳，不清楚请追问。 -------------------- ~ 梳理知识...追答采纳
全部回答
- 1楼网友：空山清雨
- 2021-01-15 20:55
9.6×28.5 +0.285×41 = 9.6×28.5 +28.5×0.41 = 9.6×28.5 +28.5×(0.4+0.01) = 9.6×28.5 +28.5×0.4+28.5×0.01 = 28.5×(9.6+0.4) +28.5×0.01 = 28.5×10 +0.285 = 285+0.285 = 285.285 ~ 满意请采纳，不清楚请追问。 -------------------- ~ 梳理知识...
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