G gala 知名会员 注册 2003-03-13 消息 38 荣誉分数 9 声望点数 128 2003-10-26 #1 The question: If there's 6 married couples sitting randomly in a row (of 12 seats), what's the probability that no busband sits next to his wife?
The question: If there's 6 married couples sitting randomly in a row (of 12 seats), what's the probability that no busband sits next to his wife?
