r u serious or just for joking? Anyway, the answer is 50%.

hardstudying (hardworking)
(#364693@0)
2002-2-10 -05:00

回到话题: GMAT题, 5个人跑步,A跑在B前面的概率是多少?(不考虑并列)

回到论坛: HOME枫下论坛枫下论坛主坛枫下沙龙谈天说地

URL:   
http://www.rolia.net/zh/post.php?f=0&p=364693