葉洹君葉永南孫文先2014-10-272014-10-272002-03-??http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/10031環球城市數學競賽試題解析International mathematics tournament of towns2000年環球城市數學競賽春季賽國中試題解析2000 International Mathematics Tournment of Towns Answers and Plainations for the Problems of Junior-high Spring Competition