在近年来的中考试题中,经常出现一类关于矩形折纸的新题型.由于这类问题知识面广、灵活性强、解法多样,因而大多数学生都感到有一定的难度.其实,只要让学生认清折纸问题是一类轴对称问题,掌握折痕是对称轴,两个对称点的连线被折痕垂直平分这一关键,那么 In recent years, the middle school exam questions, there often appear a new type of paper on the rectangular origami .Because of such knowledge wide range of knowledge, flexibility and diverse solutions, so most students feel a certain degree of difficulty.In fact, as long as the Students recognize the origami problem is a type of axisymmetric problem, grasp the crease is the axis of symmetry, the point of symmetry of the two vertical lines bisect the fold, then