並前往https://math.ymhs.tyc.edu.tw/masterchen/chenyan/TeaPlan107/TeaPnCon/105B5S/%E6%95%B8%E4%B9%99%E4%B8%8B/1.3%E5%87%BD%E6%95%B8%E7%9A%84%E6%A6%82%E5%BF%B5(%E4%B8%8A%E8%AA%B2).pdf