1 Opera/9.80 (Windows NT 6.1; U; ja) Presto/2.10.229 Version/11.61 /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.3.12 1332047424 2012/03/18 14:10:24 y=f(x) 1 新規に受け付けます。 20120318_141024 Sun Mar 18 14:10:24 2012