摘要
给出了无限个无穷小的和、积的一种定义，并用例子指出无限个无穷小的和、积既可能是无穷小，也可能不是无穷小。
This paper tries to give a definition of the sum and the product of infinite infinitesimal,and it also tries to give some examples to illustrate the sum and the product of infinite infinitesimal being or not being infinitesimal.
出处
《天津轻工业学院学报》
1997年第2期55-58,共4页
Journal of Tianjin University of Light Industry
