２ｃｈ最古のスレッドです

http://science6.2ch.net/test/read.cgi/nougaku/949883098/
http://science6.2ch.net/test/read.cgi/nougaku/949482635/
http://science6.2ch.net/test/read.cgi/nougaku/951483457/
http://science6.2ch.net/test/read.cgi/nougaku/952265764/