《普通高等学校招生全国统一考试大纲(课程标准实验版)》明确指出不等式是高中数学知识的主干内容,在每份高考模拟试卷的解答题中,都会涉及不等式的有关知识.因此,对高中学生而言,学好不等式、应用好不等式知识尤为重要.《普通高中数学课程标准(实验)》要求高考试题应突出理性思维和思想方法的考查,倡 “Common college enrollment of the National Unified Test Syllabus (Curriculum Standard Experimental Version”) clearly pointed out that inequality is the backbone of high school mathematics knowledge, in each entrance exam simulation questions answer questions, will be related to inequality of knowledge.Therefore, high school students In terms of learning inequalities, applying inequalities of knowledge is particularly important. “Ordinary high school mathematics curriculum standards (experiment)” requires the entrance examination questions should highlight the rational thinking and ways of thinking