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纵观近年的中考试卷,笔者发现以反比例函数为载体的面积问题越来越受到中考命题者的青睐.这类试题大致有两种类型:(1)已知反比例函数的图象求有关图形的面积;(2)已知反比例函数的图象有关的图形面积求反比例函数的比例系数.解答此类问题大致有以下三种思路:
Throughout the examination papers in recent years, I found that the inverse proportion function as the carrier area problem more and more by the senior high school entrance examination subjects of these types of questions roughly there are two types: (1) known inverse proportion function of the image Area; (2) The proportional coefficient of the inverse proportion function of the area of the image with the known inverse proportion function is known. There are basically three ways to solve such problems: