Question

1.Calcule as adições a seguir em seu caderno. a) (+3) + (–5) + (+8) + (+5) b) (+4) + (–3) + (+2) c) (+20) + (+3) + (–5) + (+9) + (–2) d) (+120) + (–3) + (–5) + (–9) e) (–8) + (+10) + (–7) + (–2) f) (+20) + (+18) + (–14) + (–20) g) (+5) + (–2) + (–9) + (–7) h) (–1) + (+7) + (–2) + (–1) + (–4) i) (–10) + (+20) + (–5) + (+10) + (+15) + (–12) se possível coloque o cálculo para que eu possa entender.

Answer 1

Resposta:

vai dar 1.3699.99 e esse