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不等式作为工具性知识,渗透在数学的各个分支中.函数中的定义域及值域的确定需要不等式;研究函数单调性及寻找解析几何、数列、三角函数、平面向量中的最值也需要不等式.数学中每个重要知识点都不可避免地与不等式有着密切联系.高考数学中我们往往看不到具体地考查不等式的解答题.高考数学对不等式的考查往往渗透在各大重要知识点中.
Inequality as a tool of knowledge, infiltrated in the branches of mathematics. The definition of the domain and value range in the function requires inequality; the monotony of the study function and the search for analytical geometry, series, trigonometric functions, the minimum value in the plane vector also need inequalities Every important knowledge point in mathematics is inevitably closely related to inequality. In the college entrance examination mathematics, we often don’t see answers to specific inequalities. The examination of inequality in college entrance examination mathematics often penetrates into important knowledge points.