@ARTICLE {, title = {Dá sa čítať z obrázkov?}, author = {Závadová, Ivana}, journal = {Obzory matematiky, fyziky a informatiky}, year = {2005}, volume = {34}, number = {3}, pages = {11--29}, issn = {1335-4981}, abstract = {This article regards a topic of solving proof – tasks with a help of hints. Hints to this task were pictures, the students should explain these pictures and prepare the proof to the task with help of them.}, }