$C = 25-3\times(-7) =$

$-7-2 = $  

$T = 10\times(-7)- 2 \times (-5) =$

$27-(-10) = $  

$(-3)\times 8 = $

$(-2)\times(-3,1) = $

$M = \dfrac{-14}{3-1} =$

$P = (1-5)\times(3-5) =$

$\dfrac{42}{-2} = $

$N = 9-49\div 7 + 5 =$