(248-294÷7)x52的简便算法
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解决时间 2021-04-14 08:01
- 提问者网友:树红树绿
- 2021-04-13 23:09
(248-294÷7)x52的简便算法
最佳答案
- 五星知识达人网友:骨子里都是戏
- 2021-04-14 00:25
(248-294÷7)×52
=(248-42)×52
=206×52
=206×(50+2)
=206×50+206×2
=10300+412
=10712
=(248-42)×52
=206×52
=206×(50+2)
=206×50+206×2
=10300+412
=10712
全部回答
- 1楼网友:佘樂
- 2021-04-14 02:22
(248-294÷7)x52=(248-(280+14)/7)x(50+2)=(248-280/7+14/7)x(50+2)=(248-40-2)x(50+2)=206x(50+2)=200x50+200x2+6x50+6x2=10000+400+300+12=10712
- 2楼网友:神也偏爱
- 2021-04-14 01:01
【200+(50-2)-(280+14)÷7】x(50+2)
=10000+400+2500-4-42x50-42x2
=12900-4-2100-84
=10712.
=10000+400+2500-4-42x50-42x2
=12900-4-2100-84
=10712.
- 3楼网友:山河有幸埋战骨
- 2021-04-14 00:45
简便算法如下:
(248-294÷7)×52
=(248-42)×52
=206×52
=206×(50+2)
=206×50+206×2
=10300+412
=10712
(248-294÷7)×52
=(248-42)×52
=206×52
=206×(50+2)
=206×50+206×2
=10300+412
=10712
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