84.42x56.78 286.5x5.678 56.78 567.8x4.323简算
答案:1 悬赏:30 手机版
解决时间 2021-01-26 04:21
- 提问者网友：练爱
- 2021-01-25 03:54
84.42x56.78 286.5x5.678 56.78 567.8x4.323简算
最佳答案
- 五星知识达人网友：上分大魔王
- 2021-01-25 04:01
84.42*56.78-286.5*5.678 56.78 567.8*4.323
=844.2*5.678-286.5*5.678 10*5.678 432.3*5.678
=(844.2-286.5 10 432.3)*5.678
=100*5.678
=5678
=844.2*5.678-286.5*5.678 10*5.678 432.3*5.678
=(844.2-286.5 10 432.3)*5.678
=100*5.678
=5678
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