domingo, 29 de enero de 2017

Lectura ex 18 page 34 PB
ex. 19 page 34 PB

ex. 21 page 35 PB
ex. 7 and 8 page 22 AB

HW. Friday, 3rd February 2017
ex. 9 and 10 page 23 AB
ex. 2 page 25 AB

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