Ответ:MMIX + DCCXXV = 2009 + 725 = 2734 = MMDCCXXXIV.CDLXII + MCXI = 462 + 1111 = 1573 = MDLXXIII.CCCXXXI + CMV = 331 + 905 = 1236 = MCCXXXVI.Ответ: MMDCCXXXIV; MDLXXIII; MCCXXXVI.