作为高中生,为了应对高考,在学习了高中数学知识点后会做习题来巩固,在做题时会发现同学们虽然掌握的知识点相同,但做题速度和效率却相差很多,仔细分析不难发现,效率高的原因是因为有一定的解题技巧。高考题中排列组合类问题常会出现,它的类型较多,因此需要有一定技巧才能高效解答。本文简单分析排列组合的解题技巧。 As a senior high school student, in order to cope with the college entrance examination, after learning the knowledge of high school mathematics, they will do exercises to consolidate. When doing the questions, they will find that although the students have the same knowledge, they have different speeds and efficiencies, and careful analysis does not It is difficult to find that the reason for high efficiency is because there are certain problem-solving skills. The problem of arranging and combining classes in the college entrance examination questions often occurs, and its types are relatively large. Therefore, it is necessary to have certain skills to answer them efficiently. This article simply analyzes the problem-solving skills of permutations and combinations.