列方程解应用题的重点是启发孩子建立等量关系。辅导孩子学习这部分知识时要在他初步理解题意的基础上,把所设的未知数 x 当作是已知条件,依据其等量关系布列方程。对于“如何找题中的等量关系”这一问题,笔者根据多年的实践,主要抓了以下五方面的训练,收到了很好的效果。 The key point of the column equation solution is to inspire children to establish the same relationship. Counseling children to learn this part of the knowledge to be based on his initial understanding of the problem, the set of unknown x as a known condition, according to the relationship between Equations set equations. As to the question of “how to find the equivalent relationship”, according to many years of practice, the author has mainly caught the following five aspects of training and received very good results.