1) y⁴/y³=y¹=y
2) 5x²y-8x²y+x²y=-2x²y
3)(2ab²)⁴*(2a²b)³=16a⁴b⁸*8a⁶b³=128a¹⁰b¹¹
а) (y^4:y^2)^3=(y^4-2)^3=(y^2)^3=y^6
б) 5x^2y-8x^2y+x^2y=x^2y(5-8+1)=x^2y(-2)=-2x^2y
в) (2ab^2)^4*(2a^2b)^3=16a^4b^8*8a^6b^3
1) y⁴/y³=y¹=y
2) 5x²y-8x²y+x²y=-2x²y
3)(2ab²)⁴*(2a²b)³=16a⁴b⁸*8a⁶b³=128a¹⁰b¹¹
а) (y^4:y^2)^3=(y^4-2)^3=(y^2)^3=y^6
б) 5x^2y-8x^2y+x^2y=x^2y(5-8+1)=x^2y(-2)=-2x^2y
в) (2ab^2)^4*(2a^2b)^3=16a^4b^8*8a^6b^3