$\frac{8-\text{-}4}{6}$

$\frac{15}{\text{-}12-\text{-}18}$

$12\times \frac{\text{-}2}{24+\text{-}8}$

$15/(8-11)$

$\frac{\text{-}20-6}{10-\text{-}3}$

$\frac{\text{-}\mathrm{12,25}+\mathrm{34,75}}{10}$

$60/\text{-}12=\mathrm{...}$

$\frac{\text{-}48}{\mathrm{...}}=\text{-}3$

$\text{-}\mathrm{2,25}/\mathrm{0,5}=\mathrm{...}$

$\text{-}18/(\mathrm{...}-4)=2$

$\frac{120-\mathrm{...}}{12}=\text{-}10$

$\frac{\text{-}3-\mathrm{...}}{\mathrm{...}-38}=0$