а) (51x^4)^2 / (102x^3) = 2601x^8 / 102x^3 = 25.5x^5б) 3x / (4x - x^2) = 3x / x(4 - x) = 3 / (4 - x)в) c^2 - xc / c^2 - x^2 = c(c - x) / (c - x)(c + x) = c / (c + x)
а) (51x^4)^2 / (102x^3) = 2601x^8 / 102x^3 = 25.5x^5
б) 3x / (4x - x^2) = 3x / x(4 - x) = 3 / (4 - x)
в) c^2 - xc / c^2 - x^2 = c(c - x) / (c - x)(c + x) = c / (c + x)