(x^1/3-y^1/3)/(x+y)+(1)/(x^2/3-x^1/3*y^1/3+y^2/3) - вопрос №13131231313238487565 от оксана754 16.04.2020 20:10

Question

Математика: (x^1/3-y^1/3)/(x+y)+(1)/(x^2/3-x^1/3*y^1/3+y^2/3) выражение, подробно )

оксана754 · Answer

1) (y-x-3(y^2-x^2)/(3x+3y-1) = (y-x-3(y-x)(y+x))/(3x+3y-1) = ((y-x) (1-3x-3y))/ (3x+3y-1)= x-y  2) (5(2a+3)-b(2a+3))/((2a+1)^2-4) = ((2a+3)(5-b))/((2a-1)(2a+3) = (5-b)/(2a-1)...