Chinese Journal of Nature ›› 2006, Vol. 28 ›› Issue (2): 110-113.

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On the Divisibility of 7——A Gift to the World’s Mathematics Education

TAN Xiang-bai   

  • Received:2006-02-20 Revised:2006-02-20 Online:2006-04-20 Published:2006-04-20
  • Contact: TAN Xiang-bai