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求几何最值,历来是学生比较棘手的问题,我觉得要解决这类问题其实也并不难,只要通过适当的转化,利用课本上几个熟知的公理或性质、定理,问题就会迎刃而解.下面列举几例,以飨读者.
Calculating the geometrical value has always been a tricky problem for students. I think it is not difficult to solve such problems. As long as appropriate conversions are made to use several well-known axioms or properties and theorems in textbooks, the problems will be solved. Here are a few examples for readers.