Odpowiedź:
a)
(x³)⁵ * (x⁴)² * x = x¹⁵ * x⁸ * x = x¹⁵⁺⁸⁺¹ = x²⁴
b)
[(y³)⁴]⁵ : [(y²)³]⁴ = (y¹²)⁵ : (y⁶)⁴ = y⁶⁰ : y²⁴ = y⁶⁰⁻²⁴ = y³⁶
c)
z²⁹/[(z²)³ * (z⁵)⁴] = z²⁹/(z⁶ * z²⁰) = z²⁹/z⁶⁺²⁰ = z²⁹/z²⁶ = z²⁹⁻²⁶ = z³
d)
(t¹² : t⁹) * (t⁸ : t)² = t¹²⁻⁹ * (t⁸⁻¹)² = t³ * (t⁷)² = t³ * t¹⁴ = t³⁺¹⁴ = t¹⁷
