简便算法20.75十4.25XO.8 33.6÷[352.8÷(5.33一2.18)]
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解决时间 2021-11-11 17:05
- 提问者网友：山高云阔
- 2021-11-11 12:15
简便算法20.75十4.25XO.8 33.6÷[352.8÷(5.33一2.18)]
最佳答案
- 五星知识达人网友：洒脱疯子
- 2021-11-11 12:42
20.75十4.25XO.8
=20.75*0.8+20.75*0.2+4.25*0.8
=（20.75+4.25）*0.8+4.15
=25*0.8+4.15
=20+4.15
=24.15
33.6÷[352.8÷(5.33一2.18)]
=33.6÷（352.8÷3.15）
=33.6÷112
=（3*11.2）÷112
=3÷10
=0.3
=20.75*0.8+20.75*0.2+4.25*0.8
=（20.75+4.25）*0.8+4.15
=25*0.8+4.15
=20+4.15
=24.15
33.6÷[352.8÷(5.33一2.18)]
=33.6÷（352.8÷3.15）
=33.6÷112
=（3*11.2）÷112
=3÷10
=0.3
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