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		The Teaching of MathematicsPublisher: Društvo matematičara Srbije, BeogradISSN: 1451-4966 (Print), 2406-1077 (Online)Issue: XIX_2Date: 2016Journal Homepage | 
	 
 
	
		  
 
AbstractKeywords: classification of trianglesMSC: 97G40 G44 
	
AbstractKeywords: strict concavity;  strict monotonicity; metric transformMSC: 97I20 I25 
	
AbstractKeywords: inequalities; muirhead inequality; power series.MSC: 97I30 I35 
	
AbstractKeywords: quadratic equation; localization of roots; symbolic computation; digital fabrication; hidden inequalities; Sturm's theorem; teacher education.MSC: 97D40; 97H30 D45; H35 
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