Răspuns :
20 = XX 310 = CCCX
40 = XL 550 = DL
90 = XC 470 = CDLXX
110 = CX 81 = LXXI
430 = CDXXX 92 = XCII
33 = XXXIII
40 = XL 550 = DL
90 = XC 470 = CDLXX
110 = CX 81 = LXXI
430 = CDXXX 92 = XCII
33 = XXXIII