排列组合问题在高中数学教学中属于难点内容,本文从加法和乘法两个基本原理的教学实践以及解决排列组合问题的常见策略两个方面进行探讨。 Arrangement and combination problems in high school mathematics teaching is a difficult content, this article from the two basic principles of additive and multiplication teaching practice and to solve the arrangement of combinations of common strategies to explore two aspects.