Question

Помогите пожалуйста!!!!!!!!!!!!!!!!

Answer 1

№3
n⁵/⁶ : n ¹/¹²⁺¹/⁴ = n⁵/⁶ : n¹/³ = n⁵/⁶-¹/³ = n¹/²= 64¹/² = √64=8

№2
a¹⁰.⁵⁷: a⁸.⁵⁷ = a²= 10²=100
№1
(11a⁶b³-9a⁶b³) : 4a⁶b⁶ = 2a⁶b³  : 4a⁶b⁶ = b³ : 2b⁶= 1/2 * b⁻³ = 1/2b³ = 1/(2*3³) = 1/ 2*27 = 1/54