动点问题是中考试卷的热点问题,命题人以动点为载体,渗透数形结合、分类讨论、化归等数学思想方法,形式多种多样,不胜枚举.笔者觉得换个角度看动点问题,往往有意外的收获,“别有一番滋味在心头”.例1【原题呈现】2014年连云港中考数学试卷第27题:某数学兴趣小组对线段上的动点问题进行探 The problem of moving point is the hot issue in the examination paper, the proposition point to move the point as the carrier, combined with the number of penetration, classification discussion, return to mathematical thinking and other methods, a variety of forms, too numerous to mention .I think the point of view from another point of view , Often have unexpected gains, "Example 1 [original title] 2014 Lianyungang mathematics test paper 27 questions: a mathematical interest group on the moving point on the line to explore