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数形结合思想是高中数学中最重要的思想方法之一,是每年高考必考查的内容,数形结合思想包含“以形助数”和“以数辅形”两个方面.数形结合就是根据数学问题的条件和结论之间的内在联系,既分析其代数意义,又揭示其几何直观,使数量关系的精确刻画与空间形式的直观形象结合在一起,充分利用这种结合,寻找解题思路,使问题化难为易、化繁为简,
The combination of number and shape is one of the most important ways of thinking and thought in high school mathematics. It is the content that the college entrance examination must examine each year. The combination of number and shape contains two aspects: “form aids ” and “number aids ”. According to the mathematical connection between the conditions and conclusions of the internal link between the analysis of both its algebraic significance, but also reveals its geometric intuition, the quantitative description of the relationship between the quantitative and spatial forms of intuitive image combine to take full advantage of this combination , Looking for solutions to problems, make the problem difficult, easy to simplify,