在近年来全国各省市中考数学试题中,图形变换类的试题越来越受到人们的关注,成为中考试卷的一大亮点.常见的图形变换有三种;平移、旋转、翻折.笔者以2007年部分中考数学的图形变换试题为例,说明其解法.一、平移变换是指在平面内.将一个图形 In recent years, in the mathematics examinations of the provinces and cities across the country, the questions of the graphic transformation class have attracted more and more attention and become a highlight of the examination paper. There are three kinds of common graphic transformations; translation, rotation, and folding. The author of 2007 Some of the mathematics exams for mathematics in the entrance exam are examples to illustrate their solution. First, the translation transform is in the plane.