1 Opera/9.80 (Windows NT 6.1; U; ja) Presto/2.9.168 Version/11.50 /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.3.12 1312875434 2011/08/09 16:37:14 y=f(x) 1 新規に受け付けます。 20110809_163714 Tue Aug 9 16:37:14 2011