Question

Calcule: {4 + [2 - (3 - 2)] + 7}

Answer 1

={4 + [2 - (3 - 2)] + 7}

={4 + [2 - 1] + 7}

={4 + 1 + 7}

=12

Answer 2

{ 4 + [ 2 - (3 - 2)] + 7}
{ 4 + [ 2 - 1] + 7}
{ 4 + 1 + 7}

Resposta: 12