Question

{10+[5•(4+2•5)-8]•2}-124

Answer 1

{10 + [5 × (4 + 2 × 5) - 8] × 2} - 124
{10 + [5 × (4 + 10) - 8] × 2} - 124
{10 + [5 × 14 - 8] × 2} - 124
{10 + [70 - 8] × 2} - 124
{10 + 62 × 2} - 124
{10 + 124} - 124
134 - 124
10

Espero ter ajudado. Valeu!

Answer 2

{10+[5×(4+2×5)-8•2}-124
{10+5×(4+10)-8•2}-124
{10+5×14-8•2}-124
{10+5×14-16}-124
{10+70-16}-124
{80-16}-124
64-124
60