Jegyzet: https://docs.google.com/document/d/1M-rg72vFB3RL7ZwAlJAt7IJok-Oj-Sz2sNBG60koEFU/edit?usp=sharing
Feladatok: https://docs.google.com/file/d/0B-WDFXU8IanRNEZGdk9meDBubTg/edit?usp=sharing, https://docs.google.com/file/d/0B-WDFXU8IanRZkZZWkFKSzN3cFE/edit?usp=sharing