定义是数学体系中最本质也是最核心的内容,准确把握定义是学习数学非常关键的一个环节,在近几年的高考试题中出现了一种考题——出题者首先给出一个学生没有遇到的新定义,要求学生使用新给出的定义,作出某种判断或求解,我们不妨称这类题目为“新定义题目”.本文对“新定义题目 Definition is the most essential and core content in the mathematics system. Accurately grasping the definition is a crucial part of learning mathematics. There has been an examination question in the high examination questions in recent years. The questioner first gives a student a chance. To the new definition, students are required to use the newly given definition to make a certain judgment or solution. We may call this type of topic a “newly defined topic.”