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在近几年高考命题中,与方程或不等式有关的含参数问题似乎倍受命题者青睐.如87年高考试题理科第五题(即文科第六题)、88年高考试题理科第七题、88年上海市高考试题第六题等,都可以化归为对含有参数的方程或不等式的讨论.当考生面临此类问题时,往往颇感棘手,易吃“闭门羹”.本文所要介绍的“分离法”,将为解决这类问题提供一个新颖的解题思路。
In the propositions of college entrance examinations in recent years, the problems involving parameters related to equations or inequalities seem to be favored by propositions. For example, in the 87th year of the exam, the fifth question of science subjects (that is, the sixth question of liberal arts) and the seventh year of the 88th year of the exam, The sixth issue of the 88th Shanghai Examination Exam can be categorized as a discussion of equations or inequalities that contain parameters. When candidates face such problems, they are often very intractable and apt to eat “closed doors.” This article will introduce “ The “separation method” will provide a novel solution to this problem.