5 Mozilla/5.0 (Windows NT 6.1; WOW64; rv:8.0) Gecko/20100101 Firefox/8.0 /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.3.12 1323870805 2011/12/14 22:53:25 S = \frac{1}{2} \sum_{i=0}^n \left(X_{i+1}-X_i \right) \left(Y_i+Y_{i+1} \right) 5 ______(________________________) <IMG SRC="../cgi-cache/20111214_225250.gif"> ______ 正常に処理されました 20111214_225250 http://www.mech.tohoku-gakuin.ac.jp/rde/contents/library/ps2img/eqn2gif_online.html Wed Dec 14 22:53:25 2011