Question

{4+2×[10-(5+1)-3]}2 expressão numérica

Answer 1

{2+2x[10-(5+1)-3]}2
{4+2x[10-6]-3}2
{4+2x4-3}2
{4+8-3}2
9x2
18

Answer 2

{4+2.[10-(5+1)-3]}.2 = 
{4+2.[10-6-3]}.2 = 
{4+2.1}.2 = 
{4+2}.2 = 
6.2 = 
= 12