历届高考数学试题中,排列与组合部分的试题主要是应用问题,并且一般都有附加限制条件.这些问题的内容和情景是多种多样的,解题方法也是灵活多样的.我们在排列组合内容的复习中,要抓住典型问题,领会排列组合问题的基本结构、基本要求、基本思路、基本步骤,从而总结解题规律,这是有效和实用的方法.下面就近几年高考试题中的排列组合题目做分类解 In previous mathematics questions of the college entrance examination, the questions in the arrangement and combination part are mainly applied problems, and generally have additional restrictions. The contents and scenarios of these questions are various, and the method of solving problems is also flexible and diverse. We are arranging the combination of contents During the review, we must seize the typical problems and understand the basic structure, basic requirements, basic ideas, and basic steps of the arrangement and combination problems, so as to summarize the law of solving problems. This is an effective and practical method. Below are the rankings of the examination questions in recent years. Combination of topics for classification