13!/(2!2!2!2!)-9!
所有跟帖:
• 回複:13!/(2!2!2!2!)-9! -LyingKing- ♂ (60 bytes) () 10/08/2009 postreply 12:44:50
• 回複:13!/(2!2!2!2!)-9! -LyingKing- ♂ (60 bytes) () 10/08/2009 postreply 12:44:50
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