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利用不等式解几何中的最值问题卢海运（山东省济宁实验中学２７２１２３）几何中的最值问题，大多是通过建立适当的坐标系，把几何问题转化成代数问题或三角问题来求解，这里我们介绍的是怎样用不等式来解几何中的最值问题．例１Ｐ为△ＡＢＣ内一点，Ｄ、Ｅ、Ｆ分别为Ｐ到...
Using the inequality to solve the problem of the maximum value in geometry Lu Hai (Jining Experimental High School, Shandong Province, 272123) The most problem in geometry is solved by transforming geometric problems into algebraic problems or trigonometric problems by establishing appropriate coordinate systems. This is how to solve inequalities in geometry using inequality. Example 1P is one point in △ABC, D, E, and F are P to...