/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: joubertattila https://cdn.slidesharecdn.com/profile-photo-joubertattila-48x48.jpg?cb=1523420533 Informatika, elektronika, amatÅ‘r rádiózás, fizika, matematika, zene, kirándulás, irodalom