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化归思想是中学数学最基本的思想方法之一,数学中很多问题的解决都离不开化归:数形结合思想体现了数于形的相互转化,函数方程思想体现了函数、方程、不等式间的相互转化,分类讨论思想体现了局部与整体的相互转化。化归思想也是高考的重要考查对象,数学中的各种变换多离不开化归,化归是数学思想方法的灵魂。那么,如何在解题中应用化归思想?
The idea of returning to normalization is one of the most basic ways of thinking in middle school mathematics. Many problems in mathematics can not be solved without any regularization: the combination of number with form reflects the mutual transformation in the form of numbers, and the idea of functional equations embodies functions, equations, inequalities Mutual transformation, classification of thinking reflects the partial and overall mutual transformation. Returning to the thought is also an important examination of the entrance exam, a variety of mathematical transformation can not be separated from the return, return to the soul of mathematical thinking and methods. So, how to apply in the problem-solving ideas?