摘要
本文给出计算极限的表达式中,有加、减运算时使用等价替换法的条件,并说明其妙用。
This paper puts forward the feasibility conditions of equivalent alternation in expressions of limit calculation involing addition and subtraction,and it also describes their functions.
出处
《江南大学学报（自然科学版）》
CAS
1991年第4期79-83,共5页
Joural of Jiangnan University (Natural Science Edition)
关键词
等价替换
极限
求法
可行性条件
equivalent alternation
feasibility conditions
equivalent infinitesimal
