“位似图形”一节在中学课本里是选学教材,但由于它在解题实践、生产实践上应用较大,故仍应把它提到足够重要的位置上。这里谈谈关于“位似图形”的几个问题,供教学或指导学生课外活动作参考。一、对教材的一点商榷中学教材中关于位似图形的定义是值得商榷的。 The section of “graphics like a bit” is a textbook for selecting students in middle school textbooks. However, because it is applied to the problem solving practice and production practice, it should be referred to enough important positions. Here I will talk about several issues concerning “graphics like a figure” for reference in teaching or instructing students in extracurricular activities. I. A bit of a discussion on the teaching materials The definition of a bit like figure in the textbooks for secondary schools is debatable.