並前往https://supermath.tw/2015/10/18/%E4%B8%89%E9%87%8D%E9%AB%98%E4%B8%AD%E6%95%B8%E5%AD%B8%E6%AE%B5%E8%80%83%E8%80%83%E9%A1%8C%E5%88%86%E9%A1%8C%E8%AC%9B%E8%A7%A3/