$A = -6\div(-2) -12 =$

$B = \dfrac{-40}{12-4} =$

$C = 15+14\div(4-6) =$

$D = 9-9\times 8 + 17 =$

$E = 8\times(-6)- 8 \times (-10) =$

$F = 5-32\div 8 + 5 =$

$G = 20-7\times(-9) =$

$H = \dfrac{-11+25}{7} =$

$I = (4-10)\times(2-10) =$

$J = 2+7\times(-2) =$