AB=BC=CD=DE=EF = x
AD:DF
AD = AB+BC+CD = 3x, DF=DE+EF = 2x => AD:DF = 3x:2x = 3:2
AC:AF
AC = AB+BC = 2x, AF=AB+BC+CD+DE+EF = 5x => AC:AF = 2:5
BD:CE
BD = BC+CD = 2x, CE = CD+DE = 2x => BD:CE = 1:1
BF:BD
BF = BC+CD+DE+EF = 4x, BD = BC+CD = 2x => BF:BD = 4:2 = 2:1