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 1307420428 2011/06/07 13:20:28 y=f(x) 1 新規に受け付けます。 20110607_132028 Tue Jun 7 13:20:28 2011