Question

62-{16-[7-(6+18-15)+1]}

Answer 1

Boa tarde!!

62 -{16 -[7 -(6 +18 -15) +1]}
62 -{16 -[7 -(9) +1]}
62 -{16 -[8 -9]}
62 -{16 -[-1]}
62 -{16 +1}
62 -17
45

Bons estudos!