用简便方法计算:6.25X3.2列横式
答案:4 悬赏:10 手机版
解决时间 2021-03-23 16:44
- 提问者网友：低吟詩仙的傷
- 2021-03-23 03:14
用简便方法计算:6.25X3.2列横式
最佳答案
- 五星知识达人网友：酒者煙囻
- 2021-03-23 03:26
用简便方法计算:6.25X3.2列横式
6.25X3.2
=1.25x5x8x0.4
=1.25x8x(5x0.4)
=10x2
=20
6.25X3.2
=1.25x5x8x0.4
=1.25x8x(5x0.4)
=10x2
=20
全部回答
- 1楼网友：渡鹤影
- 2021-03-23 07:01
- 2楼网友：轻雾山林
- 2021-03-23 05:28
=(5+1.25)×8×0.4
=（40+10）×0.4
=50×0.4
=20
=（40+10）×0.4
=50×0.4
=20
- 3楼网友：思契十里
- 2021-03-23 04:48
6.25X3.2
= 6.25X4X0.8
= 25X0.8
= 25X4X0.2
= 100X0.2
= 20
= 6.25X4X0.8
= 25X0.8
= 25X4X0.2
= 100X0.2
= 20
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