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