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中学数学主要是研究现实世界中的空间形式和数量关系。研究中学数学有两种最基本的方法:一是纯粹数的方法,二是纯粹形的方法。但数与形相互联系:或是借助于数的精确性阐明形的某些属性(解析几何就是典型的一个代表),或是借助形的几何直观性来阐明数的某种关系。这种联系常称为数形结合的思想。数形结合的思想主要运用于以下几个主要方面。一、运用于集合
High school mathematics is mainly to study the spatial form and quantity relationship in the real world. There are two basic methods for studying middle school mathematics: one is a pure number method, and the other is a purely formal method. But numbers and shapes are related to each other: Either some of the attributes of the shape are elucidated by the precision of numbers (analytic geometry is a typical representation), or some kind of relationship of numbers is elucidated by the geometric intuition of shapes. This connection is often referred to as the idea of combining numbers and shapes. The idea of number and shape integration is mainly used in the following major aspects. First, apply to the collection