数形结合是一个数学思想方法,包含“以形助数”和“以数辅形”两个方面,其应用大致可以分为两种情形:一是借助形的生动性和直观性来阐明数之间的联系,即以形作为手段,数为目的;二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,形为目的.复数与形的关系尤为紧密,这是因为复数集与复平面 The combination of number and shape is a mathematical way of thinking, which includes two aspects: “form aiding number ” and “number aided form ”. Its application can be divided into two kinds of situations: one is the vividness and intuition To clarify the relationship between the number of that shape as a means for the purpose of number; the second is by means of the accuracy of the number and the tightness of the specification to clarify some of the attributes of the shape, that is, the number as a means of shape for the purpose of. The relationship with shape is especially close because of complex sets and complex planes