(5/) 2006-12-17 11:43:03
(0/) 2006-12-10 11:30:45
(x_1+...+x_n) (1/x_1+...+1/x_n)<=n^2(a+b)^2/(4ab)
(0/) 2006-12-08 14:21:55
(0/) 2006-12-07 14:06:19
(0/) 2006-11-17 19:30:17
(0/) 2006-11-11 04:28:56
Pick candies (A probability problem)
(0/) 2006-10-24 21:04:30
(1/) 2006-10-20 19:54:31
(0/) 2006-10-19 20:25:29
(1/) 2006-10-15 13:32:46
(1/) 2006-10-15 07:26:52
(1/) 2006-10-13 19:10:29