a) -3/4 x²y³⋅16yx = -3/4 ⋅ 16 ⋅ x²⋅x ⋅ y³⋅y = -12x³y⁴
Ответ: -12x³y⁴
б) -2ab³⋅3a²⋅b⁴ = -2⋅3⋅a⋅a²⋅b³⋅b⁴ = -6a³b⁷
Ответ: -6a³b⁷
в) (-2a⁵b²)³ = (-2)³⋅(a⁵)³⋅(b²)³ = -8a¹⁵b⁶
Ответ: -8a¹⁵b⁶