G·波利亚曾说过,解题的成功要靠正确的转化.这种转化就是数学上的化归思想.化归思想是指在解决问题的过程中,将那些有待解决或难以解决的问题转化为已经解决或容易解决的问题来解决的一种数学思想方法.解决数学问题的过程是创造性的思维活动过程,其重要的特点是思维的变通性和流畅性.当我们接触的问 Gloria had said that the success of the problem depends on the correct conversion, which is the mathematical return to the idea of ​​the return of the idea that the problem-solving process, those who remain to be solved or difficult to solve The problem is transformed into a mathematical way of thinking that has been solved or solved easily.The process of solving mathematical problems is a creative process of thinking activity whose important characteristic is the flexibility and flexibility of thinking.When we touch