(1/9)Odpowiedź:
Szczegółowe wyjaśnienie:
1.
(5^√3)^√12 : (625)^(5/4) = 5^√36 : (5^4)^(5/4) = 5^6 : 5^5 = 5
2.
3^(-5) * (1/9)^(-2)/[27^(2/3)] = 3^(-5) * 3^(4)/[(3³)^(2/3)] = 3^(-1)/3² = 1/3³ = 1/27
3.
3log7(2) + log7(4) = log7(8) + log7(4) = log7(32)