《读者》有一篇文章讲到社会经济学中的乘数效应,即市场社会中的经济行为产生的经济效应不是简单的叠加,而是成倍的增长。骆宾王在《滕王阁序》中写道:“落霞与孤骛齐飞,秋水共长天一色”。事物总是互相关联、整体协进的。联想到当前的数学教学的理念变革,出现了很多新的数学教 An article by Readers speaks of the multiplier effect in socio-economics in which the economic effects of economic behavior in a market society are not simply superimposed but multiplied. Luo Bin Wang in the “Teng Wang Ge order,” wrote: “Falling clouds and solitary flies together, a total of autumn sky color.” Things are always related to each other and work together as a whole. Think of the current mathematical teaching of the concept of change, there have been many new math teaching