Question

Calcule o valor das expressões:

$( - 16) \div ( + 4) + 17 =$
$3 \times ( - 9) + 14 =$
$30 + 6 \times ( - 1) =$
$(8 + 5) \div (2 - 15) =$
$( - 3) - ( - 8) + ( - 2) \times ( - 6) =$

Answer 1

$-4+17=13 -27+14=-13 -6+30=24 13/(-13)=-1 12-(-8)+(-3) = 12+8-3=17$