Prácticas 1, 2, 3 y 4.

Práctica 1:
http://www.calameo.com/books/0053549130c808b112898
https://drive.google.com/file/d/1vWlboadrO8eViFYb1xh6gStBlF5sTeir/view?usp=sharing
Práctica 2:
http://www.calameo.com/books/00535491350d38b7f2d28
https://drive.google.com/file/d/1gJ496KphjUsJXrs0R3CK8x3fq6Xf1ecf/view?usp=sharing
Práctica 3:
http://www.calameo.com/books/00535491368fe3b247eb0
https://drive.google.com/file/d/1U0cMEq67xQXId8hldS1md1qcGp03BnM0/view?usp=sharing
Práctica 4:
http://www.calameo.com/books/0053549134c26f979dbc8
https://drive.google.com/file/d/1Kf5xMCULW1SEKdq_0iTWy6B_AwmRnIWH/view?usp=sharing