回复:oops, any one corner: 1/3; certain one corner: 1/12

回答: Q1: 1/12?空指针异常2010-03-30 17:07:38

If you can do this question ,you are great. Please show your work.

所有跟帖: 

思路跟sum of dice throwing类似 -空指针异常- 给 空指针异常 发送悄悄话 (780 bytes) () 03/31/2010 postreply 11:29:23

If p(1,1)=1/12,p(1,1)=1/6p(2,3)+1/6p(3,2),p(2,3)=1??? -jinjing- 给 jinjing 发送悄悄话 (184 bytes) () 03/31/2010 postreply 17:18:21

检查一下你的推导:p(1,1)=1/6p(2,3)+1/6p(3,2), p(2,3)=1/4 -空指针异常- 给 空指针异常 发送悄悄话 (66 bytes) () 04/01/2010 postreply 12:25:40

you should be know:4p(23)=1,as p(23)=p(32)=p(24)=p(43) -jinjing- 给 jinjing 发送悄悄话 (120 bytes) () 04/01/2010 postreply 14:53:52

回复:you should know:4p(23)=1,as p(23)=p(32)=p(24)=p(43) -jinjing- 给 jinjing 发送悄悄话 (0 bytes) () 04/01/2010 postreply 14:55:22

另一种解法 -空指针异常- 给 空指针异常 发送悄悄话 (984 bytes) () 03/31/2010 postreply 11:55:02

You use step method is good,but .... -jinjing- 给 jinjing 发送悄悄话 (172 bytes) () 04/01/2010 postreply 16:35:25

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