在实数的学习中,同学们要认真体会蕴涵于其中的数学思想方法。一、分类讨论思想当要解决的问题不宜用一种方法处理或同一种形式叙述时,就要把问题按照一定的原则或标准分为若干类,然后分类进行解答,最终得到问题的答案,这种解决问题的思想就是分类讨论思想。 In the real number of learning, students should carefully understand the mathematical thinking contained in them. First, the classification of thinking When the problem to be solved should not be treated in one way or the same form of narrative, it is necessary to break the problem in accordance with certain principles or standards into several categories, and then classified to answer, and ultimately get the answer to the question, which The idea of ​​solving the problem is to classify the thinking.