[少少補充] 有朋友提到80年代既Pure Maths卷範圍仲廣，連combinatorics同set既問題都有。送一題比大家欣賞下。(1987 Pure Mathematics Paper 1 Q.4) Tags: 3 comments 22 likes 1 shares Share this: 史丹福狂想曲 About author not provided 5816 followers 5189 likes "http://drstanford.blogspot.hk/" View all posts