$M = -40\div(-4) -6 =$

$2\times(-0,2) = $

$10-(-16) = $  

$-19-8 = $  

$T = 11-4\times(-3) =$

$\dfrac{-2,6}{2} = $

$K = \dfrac{-21}{5-2} =$

$F = 6+42\div(1-8) =$

$(-4)\times(-6) = $

$R = 3-9\times 4 + 9 =$