Respuesta :
(6-2) x 2+4 ÷ (3+1)
===============
4 x 2+4 ÷ (3+1)
===============
4 x 2+4 ÷ 4
===============
8 + 4 ÷ 4
===============
8 + 1
===============
9
===============
4 x 2+4 ÷ (3+1)
===============
4 x 2+4 ÷ 4
===============
8 + 4 ÷ 4
===============
8 + 1
===============
9