a)
[tex]\frac{-6xy}{-2}[/tex]=3xy
b)
[tex]\frac{12pq}{4}[/tex]=3pq
c)
[tex]\frac{-0,5a^{2}b }{\frac{1}{4} }[/tex]= -2a²b
d)
[tex]\frac{3,6t^{2}y^{2} }{0,1} =36t^{2}y^{2}[/tex]
