A + B = (-5 6 3 7 1 2) + ( 3 -1 2 5 1 -6 ) = ( -5+3 6 + (-1) 3 + 2 7 + 5 1 + 1 2 + (-6))
=( -2 5 5 12 2 -4)
A + B = (-5 6 3 7 1 2) + ( 3 -1 2 5 1 -6 ) = ( -5+3 6 + (-1) 3 + 2 7 + 5 1 + 1 2 + (-6))
=( -2 5 5 12 2 -4)