Question

RESOLVA:
a) – 3 + 4 + (–1) + (–5) + 0 + (–8) + 2 =
b) 9 + (–1) + (–10) + 4 + 7 + (–5) + 4 + (–11) =

Answer 1

a) -3 + 4 + (-1) + (-5) + 0 + (-8) + 2

-3 + 4 - 1 - 5 - 8 + 2

-17 + 6

-11

b) 9 + (-1) + (-10) + 4 + 7 + (-5) + 4 + (-11)

9 - 1 - 10 + 4 + 7 - 5 + 4 - 11

24 - 27

-3