Question

{6+[3x(8:2+1)]-13} ..... (10 pts)

Answer 1

{ 6 + [ 3×( 5 ) ] - 13 } =
{ 6 + [ 15 ] - 13 } =
{ 21 - 13 } =
8

Answer 2

Olá,

Vamos lá,

={6+[3x(8:2+1)]-13}
={6+[3x(4+1)]-13}
={6+[3 x 5]-13}
={6+15-13}
=8

Bons estudos !!!