5.4×2.4×1.25的简便方法
答案:3 悬赏:50 手机版
解决时间 2021-01-04 00:15
- 提问者网友:欲望失宠
- 2021-01-03 02:05
5.4×2.4×1.25的简便方法
最佳答案
- 五星知识达人网友:夜风逐马
- 2021-01-06 23:32
5.4×2.4×1.25
=5.4×3×0.8×1.25
=(5.4×3)×(0.8×1.25)
=16.2×1
=16.2
1.99×0.63
=(2-0.01)×0.63
=1.26 - 0.0063
=1.2537
=5.4×3×0.8×1.25
=(5.4×3)×(0.8×1.25)
=16.2×1
=16.2
1.99×0.63
=(2-0.01)×0.63
=1.26 - 0.0063
=1.2537
全部回答
- 1楼网友:从此江山别
- 2021-01-06 23:53
5.4*2.4*1.25
=5.4*(8*1.25*0.3)
=5.4*(10*0.3)
=5.4*3
=16.2
- 2楼网友:冷風如刀
- 2021-01-06 23:45
(7.2*7.5*5.4)÷(2.4*1.5*2.7)
=(7.2÷2.4)×(7.5÷1.5)×(5.4÷2.7)
=3×5×2
=30
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