а) 36/100 = 9/25
б) 21/56 = 3/8
в) 16*57/95*24 = 912/2280 = 38/95
д) 6х/2х^2*6х = 2х^2
е) х^2 - 16/х - 4 = (х-4)(х+4)/х-4 = х+4
а) 36/100 = 9/25
б) 21/56 = 3/8
в) 16*57/95*24 = 912/2280 = 38/95
д) 6х/2х^2*6х = 2х^2
е) х^2 - 16/х - 4 = (х-4)(х+4)/х-4 = х+4