в) 7d/16 = (7d 3с)/(16 3с) = 21dc / 48c43с/48 = 43с / 48
г) 8t^2/35 = (8t^2 2х^2)/(35 2х^2) = 16t^2х^2 / 70х^27х^2/50 = 7х^2 / 50
д) n/m^2 = n^2 / mn^2m/n^2 = m^2 / mn^2
е) 3c^2/5t = 3c^2t / 5t^2t^2/5c = t^2 / 5c
в) 7d/16 = (7d 3с)/(16 3с) = 21dc / 48c
43с/48 = 43с / 48
г) 8t^2/35 = (8t^2 2х^2)/(35 2х^2) = 16t^2х^2 / 70х^2
7х^2/50 = 7х^2 / 50
д) n/m^2 = n^2 / mn^2
m/n^2 = m^2 / mn^2
е) 3c^2/5t = 3c^2t / 5t^2
t^2/5c = t^2 / 5c