1 Opera/9.80 (Windows NT 6.1; U; ja) Presto/2.10.229 Version/11.60 /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.3.12 1323579216 2011/12/11 13:53:36 y=f(x) 1 新規に受け付けます。 20111211_135336 Sun Dec 11 13:53:36 2011