$K = (2-9)\times(1-7) =$

$(-6)\times 11 = $

$\dfrac{6,3}{-3} = $

$N = \dfrac{-60}{16-6} =$

$C = 5-9\times 10 + 10 =$

$28-(-29) = $  

$-26-12 = $  

$B = 9-6\times(-9) =$

$N = 11\times(-4)- 4 \times (-2) =$

$(-3)\times(-6) = $