6.78x35十67.8x7.2十0.678x430用简便方法
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解决时间 2021-02-15 14:08
- 提问者网友：战魂
- 2021-02-14 17:41
6.78x35十67.8x7.2十0.678x430用简便方法
最佳答案
- 五星知识达人网友：何以畏孤独
- 2021-02-14 18:01
0.678x350+0.678x720+0.678x430=0.678x(350+720+430)=0.678x1500=1017
全部回答
- 1楼网友：逃夭
- 2021-02-14 18:53
原式
=6.78x35+6.78x10x7.2+6.78x0.1x430
=6.78x35+6.78x72+6.78x43
=6.78x(35+72+43)
=6.78x(107+43)
=6.78x150
=6.78x100+6.78x50
=678+339
=1017
=6.78x35+6.78x10x7.2+6.78x0.1x430
=6.78x35+6.78x72+6.78x43
=6.78x(35+72+43)
=6.78x(107+43)
=6.78x150
=6.78x100+6.78x50
=678+339
=1017
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