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:
•
回复: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