Question

Calculo e respota {[(1)+(5·2)]-(2x3)}-4=

Answer 1

{[(1)+(5·2)]-(2x3)}-4=
{[1+10]- 6)}-4=
{[11- 6)}-4=
 5-4=
1

Answer 2

{[(1)+ (10)]- (6)}-4
{[11]} -6}-4
17-4
+13