Răspuns:
{[(0,7)²]⁴ × [(0,7)³]⁵ : [(7,7)³]⁴}⁵ = (0,7⁸ × 0,7¹⁵ : 7,7¹²)⁵ = [(7/10)⁸ × (7/10)¹⁵ : (77/10)¹²]⁵ = (7⁸/10⁸ × 7¹⁵/10¹⁵ : 77¹²/10¹²)⁵ = (7⁸/10⁸ × 7¹⁵/10¹⁵ × 10¹²/77¹²)⁵ = [7⁸ × 7¹⁵/10¹⁵ × 10⁴/(11¹² × 7¹²)]⁵ = (7⁸ × 7³/10¹¹ × 1/11¹²)⁵ = [7¹¹/(10¹¹ × 11¹²)] = [(7¹¹/(11 × 110¹¹)]⁵ = 7⁵⁵/(11⁵ × 110⁵⁵)
Explicație pas cu pas:
