TY - JOUR T1 - Prezidentské vol’by a približné čísla A1 - Žabka, Ján A1 - Černek, Pavol A1 - Kubáček, Zbyněk A1 - Bednářová, Svetlana A1 - Gyürki, Štefan A1 - Demetrian, Michal JA - Obzory matematiky, fyziky a informatiky Y1 - 2008 VL - 37 IS - 3 SP - 17 EP - 27 SN - 1335-4981 N2 - 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. ER -