Zapis poniższych cyfr:

• 8 = 5+3 = V+III = VIII
• 40 = 50–10 = L–X = XL
• 101 = 100+1 = C+I = CI
• 16 = 10+5+1 = X+V+I = XVI
• 53 = 50+3 = L+III = LIII
• 140