first Q : 969 second Q:10626

回答: 請教解數學題。灰衣人2010-09-06 18:14:36

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

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回複:first Q : 969 second Q:10626 -guest1000- 給 guest1000 發送悄悄話 (68 bytes) () 09/08/2010 postreply 12:23:06

I mean second Q; We can put 0 for 4 cases.So, the -jinjing- 給 jinjing 發送悄悄話 (19 bytes) () 09/08/2010 postreply 13:10:35

請您先登陸,再發跟帖!