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数列作为一种特殊的函数,是刻画一类离散现象的数学模型.在我们的日常生活中,会遇到如存款利息、购房贷款、资产折旧等的一些计算问题,数列模型可以帮助我们解决这类实际问题.学习数列知识对进一步理解函数的概念和体会数学的应用价值具有重要的意义.在本章中,我们将通过对日常生活中大量实际问题的分析,建立等差数列和等比数列这两种数列模型,探索并掌握它们的一些基本性质,感受这两种数列模型的广泛应用,并利用它们解决一些实际问题.
As a special function, a series is a mathematical model that describes a discrete phenomenon. In our daily life, we will encounter some calculation problems such as deposit interest, purchase loans, and asset depreciation. The series model can help us solve this problem. The practical problems of the class. It is of great significance to learn more about the concept of functions and the application value of mathematics by learning a series of knowledge. In this chapter, we will establish the arithmetic progression and geometric progression by analyzing a large number of practical problems in our daily life. Two kinds of series models, explore and master some of their basic properties, feel the extensive application of these two series of models, and use them to solve some practical problems.