2.5×4.8=12的4种简便计算
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解决时间 2021-02-26 10:32
- 提问者网友:放下
- 2021-02-25 21:10
2.5×4.8=12的4种简便计算
最佳答案
- 五星知识达人网友:鱼芗
- 2021-02-25 22:38
2.5×4.8
=2.5x4x1.2
=12(这个最简单)
2.5×4.8
=2.5x4x10.4x0.3
=12
2.5×4.8
=2.5x(4+0.8)
=2.5x4+2.5x0.8
=10+2
=12
=2.5x4x1.2
=12(这个最简单)
2.5×4.8
=2.5x4x10.4x0.3
=12
2.5×4.8
=2.5x(4+0.8)
=2.5x4+2.5x0.8
=10+2
=12
全部回答
- 1楼网友:雪起风沙痕
- 2021-02-25 23:21
2.5*4.8
=(2.5*4)*(4.8/4)
=10*1.2
=12
2.5*4.8
=2.5*(4*1.2)
=2.5*4*1.2
=10*1.2
=12
2.5*4.8
=2.5*(4+0.8)
=2.5*4+2.5*0.8
=10+2
=12
2.5*4.8
=2.5*(5-0.2)
=2.5*5-2.5*0.2
=12.5-0.5
=12追问写清楚一点
=(2.5*4)*(4.8/4)
=10*1.2
=12
2.5*4.8
=2.5*(4*1.2)
=2.5*4*1.2
=10*1.2
=12
2.5*4.8
=2.5*(4+0.8)
=2.5*4+2.5*0.8
=10+2
=12
2.5*4.8
=2.5*(5-0.2)
=2.5*5-2.5*0.2
=12.5-0.5
=12追问写清楚一点
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