2.1. г) 48xy³. 8y² 12x 6x²

$$ \frac{48xy^3}{12x} : \frac{8y^2}{6x^2} = \frac{48xy^3}{12x} \cdot \frac{6x^2}{8y^2} = \frac{48xy^3 \cdot 6x^2}{12x \cdot 8y^2} = \frac{288x^3y^3}{96xy^2} = 3x^2y $$

Ответ: $$3x^2y$$