3 Mozilla/5.0 (Windows NT 5.1; rv:13.0) Gecko/20100101 Firefox/13.0.1 /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.3.12 1342475871 2012/07/17 06:57:51 \frac{dy}{dx}+y=0, y(0)=1, 0\leq x\&lt;10 20 <IMG SRC="../cgi-cache/20120717_063648.gif"> ______ 正常に処理されました 20120717_063648 http://www.mech.tohoku-gakuin.ac.jp/rde/contents/library/ps2img/eqn2gif_online.html Tue Jul 17 06:57:51 2012