Question

outra {[13-(3×2+1)]+3+(5×2-4:2)}

Answer 1

{ [ 13 - ( 3 x 2 + 1 )] + 3 + ( 5 x 2 - 4 : 2 ) } =
{ [ 13 - ( 6 + 1 )] + 3 + ( 10 - 2 ) }=
{ [ 13 - 7 ] + 3 + 8 } =
{ 6 + 3 + 8 } =
{ 9 + 8 } =
17