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用坐标法解题,就是根据问题的图形或数式的特点,建立适当的坐标系,巧妙地把形与数或数与形联系起来,从而使问题得以直观简洁的解答的一种方法。能用坐标法解答的问题很多,但技巧性也很强。本文仅就现行初中课本知识能够解决的问题作一例说。
Using coordinate method to solve a problem is to establish a proper coordinate system based on the graph of the problem or the characteristics of the number, and to skillfully associate the shape with the number or number with the shape so that the problem can be solved intuitively and succinctly. There are many problems that can be solved with the coordinate method, but the skill is also very strong. This article only gives an example of the problems that can be solved by the current junior high school textbook knowledge.