@ARTICLE {, title = {Prezidentské vol’by a približné čísla}, author = {Žabka, Ján and Černek, Pavol and Kubáček, Zbyněk and Bednářová, Svetlana and Gyürki, Štefan and Demetrian, Michal}, journal = {Obzory matematiky, fyziky a informatiky}, year = {2008}, volume = {37}, number = {3}, pages = {17--27}, issn = {1335-4981}, abstract = {In the paper a set of exercises with common context – 2004 presidential election – is presented. The goal is to introduce the pupils through these exercises to handling approximate numbers.}, }