$A = \dfrac{-3+17}{2} =$

$B = 5\times(-3)- 10 \times (-4) =$

$C = 13-21\div 3 + 5 =$

$D = 19-10\times 7 + 14 =$

$E = (2-9)\times(4-10) =$

$F = 10+10\times(-2) =$

$G = -16\div(-4) -23 =$

$H = 6-6\times(-11) =$

$I = \dfrac{-54}{14-5} =$

$J = 12+70\div(1-8) =$