小学算术应用题按数量矛盾的多少分为只有一对矛盾的简单应用题和有两对以上矛盾的复合应用题两大类。无论是简单应用题还是复合应用题,都是由十四类最简单、最平常、最基本的数量矛盾(基本问题)有机地组成的。小学数学教师,应该弄清十四类基本数量矛盾及其相互关系,在应用题教 The number of primary school math application problems divided by the number of contradictions is divided into only a simple pair of contradictory problems and two pairs of more than two contradictions in the composite application of the two categories. Whether it is a simple application or a composite application, are composed of fourteen categories of the most simple, most common, the most basic number of contradictions (basic problems) organically. Primary school mathematics teachers should understand the basic types of fourteen kinds of conflicts and their interrelationships,