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方程(组)是刻画现实世界的一个有效的数学模型，同时，它也是学习数学其他内容以及物理、化学等其他学科的重要基础。 一、领会方程、方程组的思想内涵 方程与函数之间存在着密切的关系：函数能有效地揭示事物运动变化的规律，及时反映事物之间的相互联系；而方程则是函数思想的静态体现，是已知量与未知量的矛盾统一。
Equations (groups) are an effective mathematical model that portrays the real world. At the same time, it is also an important foundation for learning other aspects of mathematics and other disciplines such as physics and chemistry. First, understand the equations, equations, ideological connotation equations and functions there is a close relationship: the function can effectively reveal the law of the movement of things, and timely reflect the interrelationship between things; and the equation is a static expression of the function of the idea Is the unification of the contradiction between the known quantity and the unknown quantity.