近年来关于方程组的题目在紧扣教材的同时,进行了适度延伸,改变了呆板单一的模式,显得新颖活泼,格调清新,令人耳目一新.我们在解答此类问题的同时,既提高了对数学知识的理解能力,又锻炼了思维能力,陶冶了情操,体验了美的情趣.现作如下分类,供同学们在学习时参考. In recent years, the subject of equations has been modestly extended while changing teaching materials, changing the dull and the simple model, showing a new and lively style and refreshing style, which are refreshing and refreshing. While we are answering such questions, Mathematical knowledge of understanding, but also exercise the thinking ability, cultivate the sentiment, experience the beauty of the fun. Now make the following classification, for students to learn reference.