圆的有关概念和性质是圆的重要内容,在解决圆的问题时,由于圆的特殊性,为了解题方便,将问题分为不同种类,然后逐类研究解决,从而达到解决问题的目的,这一思想方法称为分类讨论的思想方法.下面结合例题介绍分类讨论思想在解圆问题中的应用,供大家参考. The concept and nature of the circle is an important part of the circle. In solving the problem of the circle, due to the particularity of the circle, in order to solve the problem conveniently, the problem is divided into different categories and then be studied and solved one by one so as to achieve the purpose of solving the problem. This method of thinking is called classification method of thinking the following combination of examples to introduce the classification of thinking in solving the problem of round application for your reference.