关于n维欧氏空间R^n中闭集的教学思考

摘要

The teaching thinks of closed set in n-Euclid space R^n are shown, in the meantime, the features and qualities of two special closed sets containing derived set and closure are given.%结合教材《工科数学分析基础》，对n维欧氏空间R^n中闭集的教学进行探讨和设计，同时分别给出了导集、闭包这两类特殊闭集的特征和性质．