数和形是数学中最基本的两种表现形式,两者有着十分密切的联系,若能巧妙运用数形结合的思想方法,将复杂的代数问题转化为简洁明了的几何问题,从而解决一些比较抽象的代数问题,往往可以起到事半功倍的效果.例1(2013年福建省高考文科卷第22题)已 Number and shape are the two most basic forms of mathematics, the two are very closely linked, if we can clever use of numerical combination of ideas, the complex algebra problems into concise geometric problems, so as to solve some of the more Abstract algebra problem, often can play a multiplier effect. Example 1 (Fujian Provincial Entrance Examination liberal arts volume 22) has been