3.6*1.7+2.2*3.6+3.9*6.4怎样简便算
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解决时间 2021-11-24 01:54
- 提问者网友:活着好累
- 2021-11-23 07:34
3.6*1.7+2.2*3.6+3.9*6.4怎样简便算
最佳答案
- 五星知识达人网友:从此江山别
- 2021-11-23 08:20
3.6*1.7+2.2*3.6+3.9*6.4
=3.6×(1.7+2.2)+3.9×6.4
=3.6×3.9+3.9×6.4
=3.9×(3.6+6.4)
=3.9×10
=39
=3.6×(1.7+2.2)+3.9×6.4
=3.6×3.9+3.9×6.4
=3.9×(3.6+6.4)
=3.9×10
=39
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