$(-2)\times(-2) = $

$(-3)\times 3,1 = $

$C = 4-4\times(-7) =$

$E = \dfrac{-50}{7-2} =$

$G = 3\times(-11)- 7 \times (-6) =$

$7-(-11) = $  

$M = 7-20\div 5 + 4 =$

$A = 14+48\div(3-9) =$

$40 \div (-4) = $

$-13-10 = $