Представьте в виде многочленов. (а+2х)^3; (p-3q)^3; (2m-3n)^3; (2x-1/2 y)^3; (1/3m+1/2n)^3. ; )

(а+2х)³=a³+6a²x+12ax²+8х³;
(p-3q)³=p²-9p²q+27pq²-27q³;
(2m-3n)³=8m³-36m²n+54mn²-27n³;
(2x-1/2 y)³=8x³-6 x²y+(3/2)xy²-(1/8)y³;
(1/3m+1/2n)³=(1/27)m³+(1/6)m²n+(1/4)mn²+(1/8)n³.