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 CCCXX ET CCLXX 2 CCXC ET M 3 DLXXX ET CDXX 4 CML MINUS DL MILLE, DUCENTI NONAGINTA QUINQENTI NONAGINTA QUADRINGENTI MILLE