1000x^9 + 100x^6 y^2 +10/3 x^3 y^4 + 1/27 y^6 помаги
(10x³ + 1/3y²)³ = 1000x⁹ + 3×100x⁶×1/3y² + 3×10x³ ×1/9y⁴ + 1/27y⁶ = = 1000x⁹ + 100x⁶y² + 10/3x³y⁴ + 1/27y⁶. Ответ: свернули по формуле : ( a + b)³. Ваш ответ:( 10x³ + 1/3y²)³.