Matching Pairs AD MILLE MIXING ROMAN NUMERALS & NUMBER WORDSOnline version TRY SAYING ALOUD OR IN YOUR HEAD, USING FACIUNT OR AEQUUNT FOR EQUALS. by Robin Schweitzer 1 CCXC ET M 2 DLXXX ET CDXX 3 CML MINUS DL 4 CCCXX ET CCLXX QUADRINGENTI MILLE, DUCENTI NONAGINTA MILLE QUINQENTI NONAGINTA