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在高中数学教材中,一个很大的亮点就是将高考内容分为必修与选修两部分,这是分层次处理一些教学难点的一个非常好的方法.如排列组合与概率,在必修三中先让学生通过列举的方法接触概率的概念,在选修中再介绍排列组合,将概率问题引向一个较为深入的层次;另外处理函数内容也是这样,在必修中学习一些基本初等函数及其性质,在选修中引入
In high school mathematics textbooks, a big bright spot is the college entrance examination content is divided into compulsory and elective two parts, which is a very good way to deal with some teaching difficulties at different levels.As the arrangement of combinations and probabilities, Students access to the concept of probability through the enumerated methods, and introduce the permutations and combinations in the electives to lead the probabilistic questions to a deeper level. In addition, the content of the processing functions is also like this. When learning some basic elementary functions and their nature in compulsory courses, In the introduction