台北市立建國高級中學數學科2014-10-272014-10-272006-08-??http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/8005中學生通訊解題第四十二期題目參考解答及評註The solution for reference and analysis to the questions in the 42th issue of high school mathmatics through communication