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first Q : 969 second Q:10626

jinjing 2010-09-07 21:39:24 ( reads)

Q1000 smart.I use his method and use formula getting second Q: C(24,4)=10626.Please check.

跟帖(2)

guest1000

2010-09-08 12:23:06

回复：first Q : 969 second Q:10626

jinjing

2010-09-08 13:10:35

I mean second Q; We can put 0 for 4 cases.So, the