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建立数学模型是学生体会和理解数学与外部世界联系的基本途径,是针对或参照某种事物的特征或数量的相依关系,采用形式化的数学语言,概括地或近似地表述出来的一种数学结构。使学生经历从实际背景中抽象出数学模型、探索数量关系和变化规律的过程,引导学生运用所学知识和技能解决实际问题,使学生理解数学,发展解决问题的策略,体会数学与现实生活的联系,从而培养学生的实践能
Establishing a mathematical model is a basic way for students to understand and understand the connection between mathematics and the outside world. It is a mathematical or generalized or approximate mathematical expression that refers to or refers to the dependence of the characteristics or quantity of a certain thing on formal mathematical language structure. Make students experience the abstraction of the mathematical model from the actual background, to explore the relationship between quantity and change of the process, to guide students to use the knowledge and skills to solve practical problems, enable students to understand mathematics, develop strategies to solve problems, experience mathematics and real life Contact, so as to cultivate students’ practical ability