4.5*〔(2.3+1.15)/0.2〕的简便计算
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解决时间 2021-03-29 05:02
- 提问者网友：酱爆肉
- 2021-03-28 19:36
4.5*〔(2.3+1.15)/0.2〕的简便计算
最佳答案
- 五星知识达人网友：轻熟杀无赦
- 2021-03-28 20:12
4.5*〔(2.3+1.15)/0.2〕的简便计算
4.5×[(2.3+1.15)/2]
=4.5×3.45×5
=77.625.
4.5×[(2.3+1.15)/2]
=4.5×3.45×5
=77.625.
全部回答
- 1楼网友：时间的尘埃
- 2021-03-28 21:02
=4.5×〔(2.3+1.15)×5〕
=4.5×3.45×5
=4.5×5×3.45
=22.5×3.45
=22.5×3+22.5×0.4+22.5×0.05
=67.5+9+1.125
=76.5+1.125
=77.625
=4.5×3.45×5
=4.5×5×3.45
=22.5×3.45
=22.5×3+22.5×0.4+22.5×0.05
=67.5+9+1.125
=76.5+1.125
=77.625
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