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在上文①中，已谈到变形定向的原则之四———“变换角度”．本文将结合中学数学教学的实例，进一步概括它在运用中的多种方法．１．函数方程、不等式问题的互化函数、方程、不等式是高中数学中最重要且联系最密切的内容之一．解题中，由于观察、处理问题角度的不同，往往...
In the above paragraph 1, we have already talked about the fourth principle of deformation orientation—“transformation angle”. This article will combine the examples of mathematics teaching in middle school and further summarize its various methods in application. 1. Functional equations, inequalities, intermixing functions, equations, and inequalities are among the most important and most closely related topics in high school mathematics. In solving problems, due to the different perspectives of observation and processing, often...