Wandering EconMan
Random Thoughts on Things that Matter
Monday, June 04, 2007
Backward Induction 的腦筋急轉彎
小明的老師在星期一跟班上說 :
"我在星期五前會給一個surprise小考! 所以哪一天考我不講,但是一定在星期五前。"
請問聰明的小明會預期再哪一天考?
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