列方程解应用题的关键是分析问题中的数量关系：哪些是已知量，哪些是未知量，已知量与未知量之间有什么联系，它们之间有哪些相等关系，哪些相等关系可用来列方程．只要把上述问题分析清楚了，整个问题就会迎刃而解．因此，学会并掌握列方程解应用题的分析方法是至关重要的．? The key to solving the problem of solving a column equation is to analyze the quantity relationships in the problem: what are the known quantities and what are the unknown quantities, what is the relationship between the known quantity and the unknown quantity, what are the equal relationships between them, and what are the equal relationships? Incoming equations. As long as the above issues are clearly analyzed, the whole problem will be solved. Therefore, it is very important to learn and master the analytical methods for solving equations. ?