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 1326246543 2012/01/11 10:49: 3 y=f(x) 1 新規に受け付けます。 20120111_104903 Wed Jan 11 10:49:03 2012