数形结合的思想是将抽象的数学语言与直观的图像结合起来思索,使抽象思维和形象思维相结合;或是借助形的生动和直观性来阐明数之间的联系,即以形作为手段,数为目的;或是借助于数的精确性和规范严密性来阐明形的某些属性,即以数作为手段,形作为目的,通过“以形助数”和“以数辅形”使复杂问题简单化、抽象问题具体化. The idea of ​​combining numbers and shapes is to combine abstract mathematical language with visual images, to combine abstract thinking with image thinking, or to clarify the connection between numbers by means of the vivid and intuitive shape, that is, take the form as the means , For the purpose of the number; or by means of the accuracy of the number and the specification of the tightness to clarify some of the attributes of the shape, that is, the number as a means of shape as an objective, through the Shape "simplifies complex problems and abstract problems.