а) 20x^3 + 5x^3 - 17x^3 + x^3 = 9x^3
б) 3y^2 + 5y^2 + 7x - 6x - 14 + 4 = 8y^2 + x - 10
в) 2.1y - 3.1y + 1.1y = 0.1y + 0.8
а) 20x^3 + 5x^3 - 17x^3 + x^3 = 9x^3
б) 3y^2 + 5y^2 + 7x - 6x - 14 + 4 = 8y^2 + x - 10
в) 2.1y - 3.1y + 1.1y = 0.1y + 0.8