一道全国大学生数学竞赛试题的多种解法探究

The Exploration of Various Solutions to a Problem in the NMCUS

本文研究了2022年第十四届全国大学生数学竞赛预赛(数学A类)的一道试题,给出了此试题五种不同的解法。This paper studies a question of the preliminary competition of the 14th National College Students Mathematics Competition in 2022 (Mathematics Class A), and gives five different solutions to this question.