1) Dadas as matrizes A = ,5- 23 0B = 1- 04 2e

1) Dadas as matrizes A =,
5- 2
3 0






B = 





1- 0
4 2
e C = 





0 6
2 4
, calcule:
a) A + B b) A + C c) A + B + C
2) Sendo A = (aij) 1x3 tal que aij = 2i – j e B = (bij) 1x3 tal que bij = -i + j + 1, calcule A + B.