纵观近几年全国各省市高考模拟试题,与方程(组)相结合的排列组合问题频频出现,它们构思精巧,新颖别致,蕴含了不少数学思想,极富思考性和挑战性,是考查学生素养和能力的极好素材．下面精选了部分试题并予以分类分析,旨在探索题型规律,揭示解题方法．一、与常见曲线的方程相结合 Looking at the examination questions of college entrance exams in various provinces and cities in China in recent years, the problem of permutations and combinations with equations (groups) has frequently appeared. They are concise, novel and concise, contain many mathematical ideas, and are highly reflective and challenging. Excellent material for student accomplishment and ability. Selected part of the following questions and classified analysis, aimed at exploring the law of the type of questions, revealing the method of solving problems. First, combined with the equations of common curves