4.28x6-4.28x5和52.3x0.9 5.23怎样简便怎样算
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解决时间 2021-03-16 14:15
- 提问者网友:风月客
- 2021-03-15 21:05
4.28x6-4.28x5和52.3x0.9 5.23怎样简便怎样算
最佳答案
- 五星知识达人网友:玩世
- 2021-03-15 21:28
4.28x6-4.28x5
=4.28×(6-5)
=4.28×1
=4.28
52.3x0.9+5.23
=52.3×0.9+52.3×0.1
=52.3×(0.9+0.1)
=52.3×1
=52.3
=4.28×(6-5)
=4.28×1
=4.28
52.3x0.9+5.23
=52.3×0.9+52.3×0.1
=52.3×(0.9+0.1)
=52.3×1
=52.3
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