Ответ:

Объяснение:

(2a +b) /x = 2a/x + b / x

(3a² + a³) / 6a⁴ = 3a²/6a⁴ + a³ / 6a⁴ = 1/a² + 1/6a

(x² +12y²) / 3xy = x²/3xy + +12y²/3xy = x/3y + 4y/x

(12a + 3y²)/6ay = 12a /6ay + 3y²/6ay = 2/y + y/2a

(4n² + 3n + 6)/n = (4n² + 3n)/ n + 6/n = n(4n + 3)/ n + 6/n = (4n + 3) + 6/n