【简便计算:1/14+1/24+1/36+1/48+1/60-查字典问答网
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来自韩建强的问题

  【简便计算:1/14+1/24+1/36+1/48+1/60+1/72我打错了,应是1/12+1/24+1/36+1/48+1/60+1/72】

  简便计算:1/14+1/24+1/36+1/48+1/60+1/72

  我打错了,应是1/12+1/24+1/36+1/48+1/60+1/72

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2020-05-1416:32
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  1/12+1/24+1/36+1/48+1/60+1/72=(1-3-1/4)+(1/4-1/6)*1/2+1/36+(1/6-1/8)*1/2+1/60+(1/8-1/9)=(1/3-1/4+1/8-1/9)+【(1/4-1/6+1/6-1/8)*1/2】+1/36+1/60=7/72+1/16+1/36+1/60=(7/72+1/36)+1/16+1/60=1/...

2020-05-14 16:36:06
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