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Từ điển Oxford Advanced Learner 8th
Roman numeral
ˌRoman ˈnumeral [Roman numeral] BrE NAmE noun 
one of the letters used by the ancient Romans to represent numbers and still used today, in some situations. In this system I = 1, V = 5, X = 10, L = 50, C = 100, D = 500, M = 1 000 and these letters are used in combinations to form other numbers
•Henry VIII
•© BBC MMIX (2009)
compare ↑Arabic numeral
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