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不等式的证明历来是高中数学学习的难点,其变化很多,技巧性高,方法独特,在各省高考试题中受到命题者的喜爱,也是各数学爱好者研究的方向。笔者通过对2008年陕西试题
The proof of inequality has always been the difficulty of high school mathematics learning. It has many changes, high skills and unique methods. It is loved by the proponents in the provincial college entrance examination papers. It is also the direction of the study of math enthusiasts. The author passed the 2008 Shaanxi exam