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《Studies in College Mathematics》 2012-06
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Several Proofs for a Calculus Problem

LU Hanchuan (Schoof Mathematics and Information Science,Shaanxi Normal University,Xi'an 710062,PRC)  
By generalizing,this paper gathers several proofs for a calculus problem,and extends the conclusion to a general topological space.The thinking process shows how the topological theorem is concluded,which is an inspiring example for innovative thinking.
【Fund】: 国家自然科学基金资助项目(11071151)
【CateGory Index】: O172;O189.1
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1 FU Wen-qing,LI Sheng-gang(College of Mathematics and Information Science,Shaanxi Normal University,Xi′an 710062,China);From a Calculus Problem to Three Topological Theorems[J];Mathematics in Practice and Theory;2007-08
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