4.7×0.3+47×0.07的简便方法。
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解决时间 2021-11-09 06:02
- 提问者网友:萌卜娃娃
- 2021-11-08 09:38
4.7×0.3+47×0.07的简便方法。
最佳答案
- 五星知识达人网友:酒者煙囻
- 2021-11-08 10:35
4.7×0.3+47×0.07
=4.7×0.3+4.7×0.07×10
=4.7×(0.3+0.7)
=4.7
=4.7×0.3+4.7×0.07×10
=4.7×(0.3+0.7)
=4.7
全部回答
- 1楼网友:佘樂
- 2021-11-08 11:57
4.7×0.3+47×0.07
=4.7×0.3+4.7×0.7
=4.7×(0.3+0.7)
=4.7
=4.7×0.3+4.7×0.7
=4.7×(0.3+0.7)
=4.7
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