Răspuns :
CD=400
CCCLXXX=358
CMLXXIV=974
MCLXXIV=1174
MCM=1900
MMC=2100
CDIX=409
CDXI=411
MCDXL=1440
MCCCLXXXIX=1389
MDCLIV=1654
MCM=1900
CCCLXXX=358
CMLXXIV=974
MCLXXIV=1174
MCM=1900
MMC=2100
CDIX=409
CDXI=411
MCDXL=1440
MCCCLXXXIX=1389
MDCLIV=1654
MCM=1900