6.25X5X25X16X0.8巧算
答案:4 悬赏:10 手机版
解决时间 2021-12-03 00:28
- 提问者网友：人傍凄凉立暮秋
- 2021-12-02 12:11
6.25X5X25X16X0.8巧算
最佳答案
- 五星知识达人网友：平生事
- 2021-12-02 12:56
如图
全部回答
- 1楼网友：長槍戰八方
- 2021-12-02 16:35
=2.5×2.5×5*25*4*4*0.8
=2.5*4*2.5*4*25*5*0.8
=10*10*25*4
=10*10*100
=10000
=2.5*4*2.5*4*25*5*0.8
=10*10*25*4
=10*10*100
=10000
- 2楼网友：酒者煙囻
- 2021-12-02 14:56
6.25×5×25×16×0.8
=（6+0.25）×5×4×25×4×0.8
=（6+0.25）×20×100×0.8
=6×2000×0.8+0.25×4×5×100×0.8
=16000×0.8+500×0.8
=12400+400
=12800
=（6+0.25）×5×4×25×4×0.8
=（6+0.25）×20×100×0.8
=6×2000×0.8+0.25×4×5×100×0.8
=16000×0.8+500×0.8
=12400+400
=12800
- 3楼网友：天凉才是好个秋
- 2021-12-02 13:25
6.25x5x25x16x0.8
=6.25x5x25x16x(2x0.4)
=6.25x(5x2)x(25x0.4)x16
=6.25x10x10x16
=6.25x10x10x(4x4)
=(6.25x4)x4 x10x10
=(25x4)x10x10
=100x10x10
=10000
=6.25x5x25x16x(2x0.4)
=6.25x(5x2)x(25x0.4)x16
=6.25x10x10x16
=6.25x10x10x(4x4)
=(6.25x4)x4 x10x10
=(25x4)x10x10
=100x10x10
=10000
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