ΔΕΚΑΔΙΚΟΙ ΑΡΙΘΜΟΙ- ΔΕΚΑΔΙΚΑ ΚΛΑΣΜΑΤΑ

http://www.slideboom.com/presentations/436542/%CE%94%CE%B5%CE%BA%CE%B1%CE%B4%CE%B9%CE%BA%CE%BF%CE%AF-%CE%B1%CF%81%CE%B9%CE%B8%CE%BC%CE%BF%CE%AF

http://users.sch.gr/vaskitsios/katsba/dim/c/ma8-dekadikoi2.htm

http://www.stintaxi.com/uploads/1/3/1/0/13100858/m8.pdf