Question

5) Calcule o valor das expressões:
a) (− 9 − 3) : (− 10 + 7) − [10 − (− 4 − 3) . (− 5 + 4) + (− 36) : (− 1 − 3)] =

Answer 1

Resposta:

Explicação passo-a-passo:

(-12):(-3)-(10-(-7).(-1)+(-36):(-4)

4-(10+7.(-1)+(9)

4-(10+7)+(9)

4-10-7+9= -4