$A = 19-10\div 2 + 15 =$

$B = -72\div(-8) -15 =$

$C = 24-7\times(-8) =$

$D = (2-5)\times(1-9) =$

$E = 13+6\times(-4) =$

$F = 2\times(-4)- 11 \times (-3) =$

$G = \dfrac{-6}{3-1} =$

$H = 8-8\times 2 + 2 =$

$I = 2+50\div(1-6) =$

$J = \dfrac{-26+86}{6} =$