1 Opera/9.80 (Windows NT 6.1; U; ja) Presto/2.8.131 Version/11.11 /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.3.12 1307078473 2011/06/03 14:21:13 y=f(x) 1 新規に受け付けます。 20110603_142113 Fri Jun 3 14:21:13 2011