Question

Efetue:
a) (+ 6) + (– 1) + (– 5) + (– 3) =
b) (– 10) – (– 2) – (+ 4) – (– 1) =
c) (– 4) – (+ 2) – (– 1) + (– 5) =
d) (+ 3) – (– 2) + (– 9) + (– 5) =
e) (– 10) – (– 2) + (+ 4) – (+ 8) + (+ 1) =

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Answer 1

Resposta:

a) -3

b) -11

c) -10

d) -9

e) -11