在近几年的中考题中,经常会出现一种 探索图形变化规律的题目,其特征是:从一个 简单的、基本的图形开始,按照某种规律,演 变出一系列既复杂又美观的图案．就像自然界 里的一粒种子会萌发、长大一样,图形在我们 的数学世界里也是具有生命力的．下面让我们 一起体验图形长大的规律． In the examination questions of recent years, there has often been a problem of exploring patterns of pattern changes. Its characteristics are: Starting from a simple, basic pattern, according to a certain law, evolved a series of patterns that are both complex and beautiful. . Just as a seed in nature grows and grows up, graphics also have vitality in our mathematical world. Let’s take a look at the laws of graphics growth.