• Homework for 4º ESO B:

https://drive.google.com/file/d/0BzbMH1hz77vrcW9zTWN2SGJoTnc/view?usp=sharing

• It would be a good idea if you take a look:

https://app.box.com/s/nmdz1nkpwemnpjxrx8gcldt44pw33ja0