回複:求教二個數學題
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• n個隊有n(n-1)/2 -PCGuy- ♂ (0 bytes) () 03/18/2014 postreply 16:08:01
• n個隊有n(n-1)/2 -PCGuy- ♂ (0 bytes) () 03/18/2014 postreply 16:08:01
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