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确定不等式中参数的取值范围,需要综合运用数学的多种基本知识和基本技能,如基本不等式、一元二次不等式的知识,合情推理论证的能力,以及数形结合、分类讨论的数学思想等等,能够反映学生综合的数学素质,也符合新课程对数学教学和学生能力的要求,同时这类问题往往综合性强、结构
To determine the range of parameters in inequality, we need to use a variety of basic knowledge and basic skills of mathematics, such as basic inequalities, knowledge of quadratic inequalities, the ability to plausibly infer theoretical evidence, and the mathematics of mathematical combination and classification discussion. And so on, can reflect the students’ comprehensive mathematics quality, and also meet the requirements of the new curriculum for mathematics teaching and student ability. At the same time, such problems are often comprehensive and structural.