Respostas

2013-08-14T17:27:24-03:00
A) (-3, -3, -12) + (-2,4, 4) = (-5,1,8)

b) (5,5,20) + (-8,2,0) + (-3, 6, 6) = (-6, 13, 26)

c) (0, 1, -2)