I think it is answer.

1-1/4-1/8+1/32-1/32-1/32=19/32
p2,p3 bad: 1/4
p1,p4,p5 bad: 1/8
all bad:1/32
p1 bad ,p2 good,p5 bad,p3bad,p4 good:1/32
p2 bad ,p1 good,p5 bad,p3 good,p4 bad:1/32

所有跟帖： 

• 回复：I think it is answer. -rorodad- ♂ (17 bytes) () 06/18/2010 postreply 17:47:24

• 回复：回复：I think it is answer. -jinjing- ♀ (40 bytes) () 06/18/2010 postreply 18:11:07

• 回复：回复：回复：I think it is answer. -rorodad- ♂ (60 bytes) () 06/18/2010 postreply 18:16:55

• 回复：回复：回复：回复：I think it is answer. -jinjing- ♀ (112 bytes) () 06/18/2010 postreply 19:44:07

• we get together. -皆兄弟也- ♂ (0 bytes) () 06/18/2010 postreply 20:11:46

• (19*0+12*1+1*2)/32=7/16, right? -皆兄弟也- ♂ (135 bytes) () 06/18/2010 postreply 20:10:28

• 回复：(19*0+12*1+1*2)/32=7/16, right? -jinjing- ♀ (39 bytes) () 06/18/2010 postreply 20:22:27

• don't say that! it is funny we reached the same point. -皆兄弟也- ♂ (0 bytes) () 06/18/2010 postreply 21:53:14

• my answer: 39/64 -twfx- ♂ (39 bytes) () 06/19/2010 postreply 14:18:53

• formula are ...,the denometer can't be 64. -jinjing- ♀ (0 bytes) () 06/19/2010 postreply 19:25:24

• correct -wfmi- ♂ (0 bytes) () 06/28/2010 postreply 11:48:50