Laske.

a) [[$ \dfrac{-8}{4} $]] =

b) [[$ \dfrac{-20}{-5} $]] =

c) [[$ \dfrac{12}{-4} $]] =

d) [[$ \dfrac{18}{-3}$]] =

e) [[$ \dfrac{-50}{-5} $]] =

f) [[$ \dfrac{-15}{3} $]] =