Question

{ [ ( 8x4+3 ) :7+ ( 3+15:5 ) x3 ] x2- ( 19-7 ) :6 } x2+20

Com calculo por favor !

Answer 1

{ [ ( 8x4+3 ) :7+ ( 3+15:5 ) x3 ] x2- ( 19-7 ) :6 } x2+20=
{ [ ( 35):7 +(3+3)x3]x2- (12):6 }x2+20=
{ [ 5+ 18]x2 - 2}x2+20=
{ [ 23x2 -2]x2+20}
{ [46-2]x2 +20}
{  44x2+20}
{88 +20}
{108}