(xy²)² : (xy) = x²y⁴ : xy = xy³.
(xy)³ : (x²y) = x³y³ : x²y = xy².
(xy)⁴ : (x²y)² = x⁴y⁴ : x⁴y² = y².
(xy³)³ : (xy²)³ = x³y⁹ : x³y⁶ = y³.
(x⁴y)³ : (x²y)² = x¹²y³ : x⁴y² = x⁸y.
((xy²)³)⁴ = (x³y⁶)⁴ = x¹²y²⁴.
((x²y)²)³ = (x⁴y²)³ = x¹²y⁶.
((xy)²)⁵ = (x²y²)⁵ = x¹⁰y¹⁰.