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图形折叠类问题是近年各地中考必考内容之一,已成为中考热点.折叠型问题立意新颖,变换巧妙,对培养同学们的识图能力和灵活运用数学知识解决问题的能力都有非常重要的作用.解决这类问题的关键是要弄清折叠前后图形的对应关系
The problem of graphic folding is one of the most important examinations in recent years.It has become a hot spot in the exams.Following the novelty of the folding problem, it is very important to cultivate students’ ability to recognize images and to use mathematical knowledge to solve problems The key to solving this type of problem is to understand the correspondence between the graphics before and after folding