Даю 30 баллов!!!! Два задания
2 2/3 x³y⁵ *(-1 1/2 xy⁵)⁴ = 8/3 x³y⁵ *(- 3/2 xy⁵)⁴ =8/3 x³y⁵ *81/16 x⁴y²⁰= =27/2 x³⁺⁴y⁵⁺²⁰ = 13 1/2 x⁷y²⁵ xⁿ⁻³ *x⁶⁻ⁿ *x = xⁿ⁻³⁺⁶⁻ⁿ⁺¹=x⁴ x⁹*x¹¹*x(x³)⁴ x⁹⁺¹¹⁺¹² x³² ------------------ = ----------- = -------- = x³²⁻³¹ =x¹=x x²⁷*x⁴ x²⁷⁺⁴ x³¹