摘要
本文是在初中的新内容都讲授完的基础上,解决根据几何图形(形状、位置)的变化进行分类讨论问题的方法,并在课堂上通过逐步深入、循序渐进的小问题进行总结和提炼。
This paper is to resolve the classification issues in accordance with the changes in geometry（shape,location） on the basis that new contents of junior high school have been taught.Then the writer summarized and refined by gradually in-depth,step-by-step problems in the classroom.
出处
《科教文汇》
2012年第9期116-117,共2页
Journal of Science and Education
关键词
几何图形
分类变化
数学
geometry
classification changes
mathematics
