线性规划是新教材中较难学习的内容之一 ,学生在学习中感到十分困难 .它究竟难在何处呢 ?1　 疑难问题的归类归纳起来 ,它难在如下几个方面 :一是某些概念比较抽象 ;二是线性规划的方法步骤比较繁杂 ,操作起来比较麻烦 ;三是方程、不等式、函数、解析几何等知识之间的相互渗透 Linear programming is one of the more difficult things to learn in new textbooks. Students find it very difficult to learn. Where is it difficult? 1 The classification of difficult problems is summarized in the following aspects: First, a certain These concepts are more abstract; the second is that the method steps of linear programming are more complicated and the operation is more troublesome; the third is the interpenetration of knowledge of equations, inequalities, functions, analytical geometry, etc.