並前往https://math.ymhs.tyc.edu.tw/masterchen/chenjt99/ScrClass/1102/%E9%AB%98%E4%B8%89%E6%95%B8%E7%94%B2%E7%BF%92%E9%A1%8C/110%E4%B8%8A%E9%AB%98%E4%B8%89(%E5%96%AE%E5%85%83%204%20%E5%87%BD%E6%95%B8%E6%80%A7%E8%B3%AA%E7%9A%84%E5%88%A4%E5%AE%9A)%E7%BF%92%E9%A1%8C.pdf