bloque 4

https://docs.google.com/document/d/1N1Qiq4P6kEda8bl_Gcb0SB9cPLokD_wIh37KtJsx-Sw/edit?usp=sharing

https://docs.google.com/document/d/1YME-vjAeP3SbyCGNoHMrw7xfVOK5GljM28ni3X8DaTY/edit?usp=sharing

https://docs.google.com/document/d/1sV0FT6T-lWbjJlaZvaEUt9xlGVuw3297Z5faIs_FW1A/edit?usp=sharing

https://drive.google.com/file/d/0B6Zu3HIHwGntQ0FGNDVHNW1Zb2s/view?usp=sharing

https://docs.google.com/document/d/1K4-m6R7VebE5n-CqK7omRRlG5SKkUMDVR5-9_w1J3oc/edit?usp=sharing