Practicas del libro 2, 4, 5 y 7

http://www.slideshare.net/KEVINOXOBARSIM2D/practicas-del-libro-2-21294329

http://www.slideshare.net/KEVINOXOBARSIM2D/practicas-del-libro-4

http://www.slideshare.net/KEVINOXOBARSIM2D/practicas-del-libro-5

http://www.slideshare.net/KEVINOXOBARSIM2D/practicas-del-libro-7