0.156乘以7.5加15乘以0.013加150乘以0.0009用简便方法计算
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解决时间 2021-02-17 21:53
- 提问者网友:富士山上尢
- 2021-02-17 15:10
0.156乘以7.5加15乘以0.013加150乘以0.0009用简便方法计算
最佳答案
- 五星知识达人网友:孤老序
- 2021-02-17 16:30
....
0.156×7.5+15×0.013+150×0.0009
=0.156×15×0.5+15×0.013+15×0.009
=15×(0.078+0.013+0.009)
=15×0.1
=1.5
......
0.156×7.5+15×0.013+150×0.0009
=0.156×15×0.5+15×0.013+15×0.009
=15×(0.078+0.013+0.009)
=15×0.1
=1.5
......
全部回答
- 1楼网友:轻雾山林
- 2021-02-17 17:06
0.156×7.5+15×0.013+150×0.0009=0.078×15+15×0.013+15×0.009=15×(0.078+0.013+0.009)=15×0.1=1.5
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