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概念是人脑对客观事物的本质特征的认识.根据抽象水平的不同可以将其分为两类:具体概念和抽象概念.具体概念就是指学生通过观察直接获得的概念,如三角形、四边形的概念等.抽象概念则是学生在教师的引导下,学习教材中的定义来获得的概念.如等边三角形、矩形、多边形的概念等.
Concept is the human brain’s understanding of the essential characteristics of objective things. According to the different levels of abstraction, it can be divided into two categories: concrete concepts and abstract concepts. Concrete concepts refer to concepts that students directly acquire through observation, such as the concepts of triangles and quadrilaterals. Etc. The abstract concept is the concept that the student obtains under the guidance of the teacher, learning the definition in the teaching material, such as the concept of equilateral triangles, rectangles, and polygons.