Selection Tests in Number Theory for Mathematical Olympiads

Corneliu Manescu-Avram is a graduate of the Faculty of Mathematics at the University of Bucharest, Romania. In 2010, he obtained the QTS (Qualified Teacher Status) certification. He is an active problem solver and contributor to numerous mathematical journals, including Mathematical Reflections, Crux Mathematicorum, Pi Mu Epsilon Journal, Pentagonal Kappe Mathematical Journal, Mathematical Excalibur, School Science and Mathematics, Mathematical Recreations (in Romanian), and Mathematical Review from Timișoara (in Romanian). Manescu-Avram has worked as a computer programmer and a high school teacher of mathematics, computer science, and astronomy. Although retired, he remains actively engaged in mathematical pursuits.

Corneliu Manescu-Avram 是羅馬尼亞布加勒斯特大學數學系的畢業生。2010年，他獲得了 QTS（合格教師資格）認證。他是一位活躍的問題解決者，並為多本數學期刊貢獻文章，包括《Mathematical Reflections》、《Crux Mathematicorum》、《Pi Mu Epsilon Journal》、《Pentagonal Kappe Mathematical Journal》、《Mathematical Excalibur》、《School Science and Mathematics》、《Mathematical Recreations》（羅馬尼亞文）以及《Mathematical Review from Timișoara》（羅馬尼亞文）。Manescu-Avram 曾擔任電腦程式設計師及高中數學、計算機科學和天文學教師。儘管已退休，他仍然積極參與數學相關的活動。