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位似是一种特殊的相似,从教材的位置安排上就体现了这一点,因为在人教(新)版教科书九年级下册中,“位似”被安排在“相似图形”后.但初次接触到“位似”时却产生很多困惑,本文就自己的困惑之处进行了探究,提出自己的见解,希望能为教学提供一些参考.1.对“位似图形”定义的思考.1.1对教科书上的“位似图形”定义的思考.
This seems to be a special kind of similarity, as reflected in the placement of teaching materials, since in the ninth grade of the PEP textbook, “likeness” is arranged in “similar figures However, when it came into contact with ”bit like“ for the first time, it caused a lot of confusion, and this article explored its own confusion and put forward my own opinions, hoping to provide some reference for teaching.1. Graphics ”definition of thinking.1.1 on the textbook“ bit like graphics ”definition of thinking.