正方形是特殊的平行四边形,也是最优美的四边形,可以说它具备各种平行四边形的性质．翻开各地中考试卷,以正方形为背景的试题随处可见,精彩纷呈,其中,以填空、选择等“小”题形式出观的正方形问题,设计巧妙,新颖有趣．有些虽是“小”题,其实不小,看似简单,做起来颇费脑筋．解决这样的问题,关键是抓住正方形以及所给条件的特殊性,灵活分析． The square is a special parallelogram, which is also the most beautiful quadrilateral. It can be said that it has the properties of various parallelograms. The examination papers with squares as backgrounds can be seen everywhere. Excitingly, questions such as squares filled with blanks, choices, etc., are ingeniously designed, novel and interesting. Although some are “small” questions, they are actually not small, seemingly simple, and they are very difficult to use. The key to solving such problems is to seize the square and the particularity of the conditions given, and to analyze it flexibly.