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“图形与变换”是初中数学课程内容中关于平面图形和空间变换的一种知识体系,旨在培养学生的几何逻辑能力和空间思维能力.本文将实际的初中数学习题作为研究案例,分别对“图形与变换”课程体系中的基础性习题和辅助线的添加方法进行了全面而深入地分析探讨.希望能够在文中为初中的数学教师提供相关方面的解题依据和教学参考.
“Graphics and Transform ” is a kind of knowledge system of plane graphics and spatial transformation in the content of junior high school mathematics curriculum aimed at cultivating students’ geometric logic ability and spatial thinking ability.This paper takes the actual junior middle school mathematics exercises as the research case, respectively This paper makes a comprehensive and in-depth analysis on the basic exercises and the ways of adding auxiliary lines in the course of “Graphics and Transform”, and hopes to provide the mathematics teachers in junior high school with relevant problems and reference for the teaching.