roadman2005 https://blog.hatena.ne.jp/roadman2005/ 関心領域 https://roadman2005.hatenablog.com/ 00:13 RT @gen4ro: かつて静岡大学でf(x)= x^4-x^2+6 (|x|<=1), 12/(|x|+... on Twitpic http://htn.to/BAYHs1 Powered by twtr2src 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Froadman2005.hatenablog.com%2Fentry%2F20101221%2F1292911037" title="Mon, Dec 20 - 関心領域" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2010-12-21 14:57:17 rich https://roadman2005.hatenablog.com/entry/20101221/1292911037 1.0 100%