science5
http://science5.2ch.net/test/read.cgi/math/1159096723/292 2007/01/16 22:06:27
http://science5.2ch.net/test/read.cgi/math/1159096723/295 2007/01/17 18:55:23
http://science5.2ch.net/test/read.cgi/math/1159096723/331 2007/01/25 22:06:35
http://science5.2ch.net/test/read.cgi/math/1159096723/346 2007/01/29 19:37:44
http://science5.2ch.net/test/read.cgi/math/1159096723/350 2007/01/29 23:22:06