Back مشكلة Arabic Problem Azerbaijani Праблема Byelorussian Problema Catalan Анпал CE Problém Czech Problem Danish Problem German Πρόβλημα Greek Problem English
Problema[1] (Graece πρόβλημα, ad litteram "proiectum" significans) est quaelibet quaestio solvenda. Sunt problemata mathematica, physica, philosophica, et cetera.