aplikacie

 https://learningapps.org/watch?v=pywcmqrnk23 učka

https://learningapps.org/watch?v=p4sa90io323 david

https://learningapps.org/watch?v=pj2w2ou5j23 luboš

https://learningapps.org/watch?v=p9jhhv1qa23 JAKUB