$B = 5+9\div(3-6) =$

$ (-49) \div (-7) = $

$10\times(-11) = $

$E = 17-9\times(-11) =$

$D = 2\times(-7)- 7 \times (-9) =$

$-10-23 = $  

$E = \dfrac{-70}{10-3} =$

$(-4)\times 3,5 = $

$-21-(-25) = $  

$K = 9-4\times 10 + 16 =$