А) 3:5 б) 49:28 в) 35:700 г) 5:7 д) 520:460 е) 27:81

а) 3:5 (also written as 3/5) б) 49:28 (also written as 49/28) в) 35:700 (also written as 35/700) г) 5:7 (also written as 5/7) д) 520:460 (also written as 520/460) е) 27:81 (also written as 27/81)