Question

Me ajedem com o calculo {13×[(17 ×0)+(81:9)]-4}

Answer 1

$= (13 \times ((17 \times 0) + (81 \div 9)) - 4) \\ = (13 \times (0 + 9) - 4) \\ = (13 \times 9 - 4) \\ = 117 - 4 \\ = 113$