$A = 20+8\times(-7) =$

$B = \dfrac{-5+17}{4} =$

$C = \dfrac{-60}{8-2} =$

$D = (3-5)\times(1-6) =$

$E = 10\times(-10)- 11 \times (-9) =$

$F = 16-40\div 5 + 7 =$

$G = 16-6\times 2 + 4 =$

$H = 1-10\times(-8) =$

$I = -40\div(-4) -7 =$

$J = 17+28\div(1-8) =$