Question

me ajudem por favor obrigadaaa

Answer 1

$(13-1)^2:[\sqrt{64}:2^3+(81:3^2-8).3]+6^2$ =>
$12^2:[8:8+(81:9-8).3]+36$ =>
$144:[1+(9-8).3]+36$ =>
$144:[1+1.3]+36$ =>
$144:[1+3]+36$ =>
$144:4+36$ =>
$36+36$ =>
$72$