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二元基本不等式x2+y2≥2xy(x,y∈R),也称为二元均值不等式或二元重要不等式,它是中学数学内容中最基本、最重要的知识点之一,本文拟给出二
Binary basic inequality x2 + y2≥2xy (x, y∈R), also called binary mean inequality or binary inequality, is one of the most basic and important knowledge points in the mathematics content of high school. Two out