π的公式 – 科學Online http://localhost 科學Online Wed, 06 Oct 2021 08:20:02 +0000 zh-TW hourly 1 https://wordpress.org/?v=6.9 半角公式(II) /highscope/%e5%8d%8a%e8%a7%92%e5%85%ac%e5%bc%8fii-half-angle-formulas/ /highscope/%e5%8d%8a%e8%a7%92%e5%85%ac%e5%bc%8fii-half-angle-formulas/#respond Fri, 18 Oct 2013 09:00:23 +0000 http://case.ntu.edu.tw/highscope/?p=46005 /highscope/%e5%8d%8a%e8%a7%92%e5%85%ac%e5%bc%8fii-half-angle-formulas/feed/ 0