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看一下这组数据 应该得多少?

Posted by suibian at 2005-11-10 15:05:43
In Reply To:Re:cici说…… Posted by:suibian at 2005-11-09 14:36:05
12
1 2
1 6
2 3 
2 4
2 5
6 7
6 8
8 9
8 10
8 11
6 12

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