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(1+1/2)(1+1/4)...(1+1/2^2^n)...

所有跟帖： 

• 2 1/2, not sure if it is correct or not. -PizzaHutDelivery- ♀ (0 bytes) () 04/25/2008 postreply 11:42:56

• 回复：2 1/4, sorry, typo. -PizzaHutDelivery- ♀ (0 bytes) () 04/25/2008 postreply 11:43:20

• please write the reason -yma16- ♂ (9 bytes) () 04/25/2008 postreply 16:03:36

• (1-1/2^2^(n+1))/(1-1/2) -haha2000- ♂ (0 bytes) () 04/25/2008 postreply 11:43:05

• 回复：(1-1/2^2^(n+1))/(1-1/2) -yma16- ♂ (65 bytes) () 04/26/2008 postreply 07:25:07