Q1000 smart.I use his method and use formula getting second Q: C(24,4)=10626.Please check.
first Q : 969 second Q:10626
所有跟帖:
• 回複:first Q : 969 second Q:10626 -guest1000- ♂ (68 bytes) () 09/08/2010 postreply 12:23:06
• I mean second Q; We can put 0 for 4 cases.So, the -jinjing- ♀ (19 bytes) () 09/08/2010 postreply 13:10:35