0.25x0.17用简便方法怎么做
答案:1 悬赏:70 手机版
解决时间 2021-11-24 04:49
- 提问者网友：太高姿态
- 2021-11-23 14:19
0.25x0.17用简便方法怎么做
最佳答案
- 五星知识达人网友：老鼠爱大米
- 2021-11-23 14:27
原式
=0.25x(0.16+0.01)
=0.25x0.16+0.25x0.01
=0.25x4x0.04+0.0025
=1x0.04+0.0025
=0.04+0.0025
=0.0425
=0.25x(0.16+0.01)
=0.25x0.16+0.25x0.01
=0.25x4x0.04+0.0025
=1x0.04+0.0025
=0.04+0.0025
=0.0425
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