含有字母系数的方程问题是初中数学的重点内容之一,也是近年来全国各地中考命题的一个热点.解这类问题时,很多同学由于概念不清,理解不透,思考不周密,往往易忽视题中的隐含条件而出现错解或漏解现象,本文就引起漏解的原因,结合实例进行说明. The problem of equations containing letter coefficients is one of the key contents of junior high school mathematics, and it is also a hot topic of the propositions of the national examinations in various parts of the country in recent years. When solving such problems, many students are often overlooked due to their unclear concepts, incomprehensible thinking, and poor thinking. Implicit conditions in the question and misunderstanding or leakage phenomenon, this article will cause the cause of the misunderstanding, combined with examples to illustrate.