Question

j) (3xy^3):(4y)= Alguém me ajuda?

Answer 1

$\dfrac{3xy^3}{4y} \\ \\ \\ \dfrac{3xy^2.y}{4y} \\ \\ \\ \dfrac{3xy^2.\not y}{4\not y} \\ \\ \\ =\ \textgreater \ \dfrac{3xy^2}{4}$