→ a88241050 :/開門 06/13 17:39
推 vicwk :(1)1/4 (2)3/8 06/13 17:41
→ KitWoolsey :(1)1/3 (2)1/3 06/13 19:04
→ KitWoolsey :either 是我的答案 or (是2樓答案且你題目打錯/寫錯) 06/13 19:05
→ KitWoolsey :如果第二行後半改成 06/13 19:06
→ KitWoolsey :"主持人自剩下三盒中任選一盒無獎品者打開" 06/13 19:06
→ KitWoolsey :就是二樓答案 ( original Monty Hall Problem) 06/13 19:07