Question

Efetue as adições algébricas. a) (+9) – (+5) – (–80) b) (+6) + (–4) – (+7) + (+2) c) (–8) – (–7) + (–5) – (–9) + (–3) d) –8 +8 + 6 - 4 + 4 e) –7 + 4 -6 + 7 + 6 f) –1 + 1 – 4 + 4 – 5 + 6 g) 18 – 7 – 6 –5+ 14

Answer 1

Resposta:

A) 84

B) -3

C) 16

D) 6

E) 4