4.8x7.8+7.8x0.52
答案:1 悬赏:20
解决时间 2021-01-08 18:05
- 提问者网友：嗝是迷路的屁
- 2021-01-07 21:36
4.8x7.8+7.8x0.52
最佳答案
- 二级知识专家网友：雾月
- 2021-01-07 22:04
4.8X7.8+7.8X0.52
=7.8X(4.8+0.52)
=7.8X5.32
=10X5.32-2X5.32-0.2X5.32
=53.2-10.64-1.064
=53.2-11.704
=53.2-12+0.296
=41.2+0.296
=41.496
=7.8X(4.8+0.52)
=7.8X5.32
=10X5.32-2X5.32-0.2X5.32
=53.2-10.64-1.064
=53.2-11.704
=53.2-12+0.296
=41.2+0.296
=41.496
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