2.85x3.2+21.5x0.32用简便方法计算
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解决时间 2021-11-15 11:00
- 提问者网友：世勋超人
- 2021-11-14 12:20
2.85x3.2+21.5x0.32用简便方法计算
最佳答案
- 五星知识达人网友：佘樂
- 2021-11-14 13:26
2.85x3.2+21.5x0.32
=2.85x3.2+2.15x10×0.32
=2.85x3.2+2.15x3.2
=3.2×（2.85+2.15）
=3.2×5
=16
=2.85x3.2+2.15x10×0.32
=2.85x3.2+2.15x3.2
=3.2×（2.85+2.15）
=3.2×5
=16
全部回答
- 1楼网友：空山清雨
- 2021-11-14 15:03
2.85x3.2+21.5x0.32
=2.85x3.2+2.15x3.2
=(2.85+2.15)x3.2
=5x3.2
=16
=2.85x3.2+2.15x3.2
=(2.85+2.15)x3.2
=5x3.2
=16
- 2楼网友：末日狂欢
- 2021-11-14 14:46
2.85*3.2+21.5*0.32
=2.85*3.2+21.5*0.1*3.2
=2.85*3.2+2.15*3.2
=（2.85+2.15）*3.2
=5*3.2
=16。
=2.85*3.2+21.5*0.1*3.2
=2.85*3.2+2.15*3.2
=（2.85+2.15）*3.2
=5*3.2
=16。
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