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 1309108349 2011/06/27 02:12:29 y=f(x) 1 新規に受け付けます。 20110627_021229 Mon Jun 27 02:12:29 2011