1 Opera/9.80 (Windows NT 5.1; U; ja) Presto/2.10.289 Version/12.00 /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.3.12 1340511795 2012/06/24 13:23:15 y=f(x) 1 新規に受け付けます。 20120624_132315 Sun Jun 24 13:23:15 2012