20. 5. 2017
https://www.youtube.com/watch?v=a6UKSyoCSs8
https://www.youtube.com/watch?v=Lnxi7Yfm-dI
https://www.youtube.com/watch?v=SdEWyLd4vSA
https://www.youtube.com/watch?v=64-fLbdiT60
28. 4. 2017
https://www.youtube.com/watch?v=IJkw31GnQqE
https://www.youtube.com/watch?v=mJHGTgzi17w
http://www.zspeska.cz/e_download.php?file=data/editor/119cs_2.pdf&original=VY_32_INOVACE_29b.pdf
19. 4. 2017
https://www.youtube.com/watch?v=gWy3fjaQHp8
https://www.youtube.com/watch?v=Lzel-0kERFw&t=59s
29. 3. 2017
https://www.youtube.com/watch?v=8BlMd_m37Nk