Question

60÷[2×(-7+18÷(12-3)]-[7×(-3)-18÷(-2)+1]

Answer 1

Resposta:

= 5

Explicação passo-a-passo:

= 60÷[2×(-7+18÷(12-3)]-[7×(-3)-18÷(-2)+1]

=60:[2.(-7+18:9]-[-21+9+1]

=60:[2.(-7+2)]-[ - 21 + 10]

= 60: [ 2.(-5)] - [ - 11]

= 60: [ - 10] + 11

= - 6 + 11

= 5