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普特南数学竞赛是北美洲最有声望的大学生数学竞赛,这一竞赛始于1938年,每年举行一次,为年轻的数学爱好者提供了一个富有挑战性的竞争机会,其试题大多出自名家之手,背景深刻,极富创造性,每年都吸引美国、加拿大各大学成千上万的大学生参加这一竞赛,受到国际数学界的瞩目,第51届普特南数学竞赛如过去一样,题目分成A、B两组,每组各6题,题目中大多涉及大学低年级的数学内容,也有少数几个只包含初等数学内容,今译出其中2个,供读者参考
The Putnam Mathematics Contest is the most prestigious undergraduate mathematics competition in North America. The competition began in 1938 and is held once a year. It provides young mathematics enthusiasts with a challenging competitive opportunity. Most of their questions are from famous artists. His background is profound and creative. Every year, thousands of college students from various universities in the United States and Canada participate in this competition. He is regarded by the international mathematics community. The 51st Putnam Mathematics Competition is the same as in the past. The topic is divided into A. Group B and Group B consist of 6 questions in each group. Most of the topics are related to the mathematics of the lower grades in the university, and a few of them only contain elementary mathematics content. Two of them are translated for readers’ reference.