Question

23) Calcule
a) 5 7 + 6 -2
9 4 5 8

b) 0 -1 + 11 17
2 5 0 2
4 1 -3 4

c) ( 1 5 0 4 ) - ( 6 6 8 7 )

d) 1 1 1 - 0 1 2
2 3 4 1 1 3
-1 -2 -5 -3 -2 -7

Answer 1

A letra D é igual a -22