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不等式a2+b2≥2ab是重要的基本不等式之一,对于它及它各种变式的掌握与熟练运用是求解很多与不等式有关问题的重要方法,这里介绍它的八种变式及应用,希望能够开拓学生的思维,对同学
The inequality a2+b2≥2ab is one of the important basic inequalities. The mastery and skillful use of it and its various variants are important methods for solving many problems related to inequalities. Here are the eight variants and their applications. Can develop student’s thinking, to students