3. Записать арабскими цифрами: V, VIII, XIX, IV, III, XVI, XIV, IX, VII, XII, XX, XXII.

V = 5; VIII = 8; XIX = 19; IV = 4; III = 3; XVI = 16; XIV = 14; IX = 9; VII = 7; XII = 12; XX = 20; XXII = 22.

Ответ: 5, 8, 19, 4, 3, 16, 14, 9, 7, 12, 20, 22.