Question

3. Calcule os valores das expressões:
a) – [ – 2 + ( + 51 – 32 – 14) + 3 ]
b) – { – 4 – [ – 3 – ( – 9) + 8 ] } – 20

Answer 1

Resposta:

a)−(−2+(51−32−14+3) = −6

Explicação passo-a-passo:

b)−(−4−(−3−(−9)+8))−20 = −2