选择题、填空题解题策略计数原理部分题目多变解法独特,涉及二项式定理的问题及求解都具有典型性,离散型随机变量的概率、期望、分布列,统计案例等问题题型弹性较大,在各种题型中都可以很自然的出现.根据三种题型及本模块的知识特点,给出解题策略方面的一些建议. Multiple-choice questions, fill in the blank problem solving strategy counting principle part of the topic of multivariate solution method is unique, the problems involved in the Binomial Theorem and the solution are typical, probability, expectation, distribution of discrete random variables, statistical cases and other issues Larger, in a variety of questions can appear very naturally. According to the three types of questions and the characteristics of this module, gives some suggestions for solving problems.