“加、减、乘、除”四则运算是数学的基础,人们也经常会运用这些基础知识来解决生产和生活中的一些问题。但笔者通过对企业管理的研究得到一些启示:如果把“加、减、乘、除”运用到企业管理中,也可以提高企业管理的水平,本文就这个问题谈几点认识。 The four operations of “addition, subtraction, multiplication and division” are the basis of mathematics. People often use these basic knowledge to solve some problems in production and life. However, the author gets some enlightenment from the research of enterprise management: if we add “, subtract, multiply and divide” into enterprise management, we can also improve the level of enterprise management. This article will talk about this problem.