deures 17-12-14

VALEN: Resum de la lectura, pag. 92 act 1,2,4,6,7

CONO pag 82 resum 1,2 i act 1

MATE: PAG 84 ACT 2

CASTE: pag 94 act 3,4,5,10
               pag 97 act 1,2