1 Mozilla/5.0 (Windows; U; Windows NT 5.1; ja; rv:1.9.2.27) Gecko/20120216 Firefox/3.6.27 ( .NET CLR 3.5.30729; .NET4.0E) /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.3.12 1331341639 2012/03/10 10:07:19 y=f(x) 1 新規に受け付けます。 20120310_100719 http://d.hatena.ne.jp/actuary_math/20080921 Sat Mar 10 10:07:19 2012