Question

6) Calcule: a) – 800 – 600 = b) +230 +78 = c) – 56 + 70 = d) –34 – 60 = e) +500 – 900 = f) – 90 – 45 = g) + 56 + 31 = h) – 65 + 65 = i) – 80 + 66 = j) +2 + 6 + 9 =

Answer 1

Resposta:

Explicação passo-a-passo:

a) – 800 – 600 =  -1400

b) +230 +78 = +308

c) – 56 + 70 = +14

d) –34 – 60 = -94

e) +500 – 900 = -400

f) – 90 – 45 = -135

g) + 56 + 31 = +87

h) – 65 + 65 = 0

i) – 80 + 66 = -14

j) +2 + 6 + 9 = +17