1 Opera/9.80 (Android; Opera Mini/7.5.31657/28.2957; U; ja) Presto/2.8.119 Version/11.10 /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.3.12 1352506551 2012/11/10 09:15:51 y=f(x) 1 新規に受け付けます。 20121110_091551 Sat Nov 10 09:15:51 2012