排列组合应用题,在历年高考数学试题中都是必考内容.在使用新教材后,其地位更加重要,它是解决概率应用问题的基础.排列组合应用题的常用解题方法,本文归纳如下.1加法与乘法点拔:分类问题用加法原理,注意完成一件事的几类方法之间的独立性,计数时做到不重不漏;分步问题用乘法原 Arrangement and combination of applications, in the annual college entrance examination mathematics test questions are mandatory content. After using the new teaching material, its status is more important, it is the basis for solving the probabilistic application problems. Arranged combination of common problems in the application of problem solving methods, this article summarized as follows .1 Addition and Multiply Point Extraction: The classification problem is based on the principle of addition, pay attention to the independence between several methods to complete one thing, and do not miss when counting; the multiplication problem for step-by-step problems