並前往http://www.math.ntu.edu.tw/~chern/highschoolmath/%E4%B8%AD%E5%B0%8F%E5%AD%B8%E6%95%B8%E5%AD%B8%E7%A7%91%E8%AA%B2%E7%A8%8B%E7%B6%B1%E8%A6%81%E8%A9%95%E4%BC%B0%E8%88%87%E7%99%BC%E5%B1%95%E7%A0%94%E7%A9%B6.pdf
