並前往http://math1.ck.tp.edu.tw/%E6%9E%97%E4%BF%A1%E5%AE%89/%E5%AD%B8%E8%A1%93%E7%A0%94%E7%A9%B6/%E4%B8%8A%E8%AA%B2%E8%AC%9B%E7%BE%A9/%E7%AC%AC%E4%B8%89%E5%86%8A/2-2%E7%A9%BA%E9%96%93%E5%90%91%E9%87%8F.pdf