They mean: V = 5 and IV = 4 respectively
4 and 5 in Roman numerals are IV and V, respectively.
In Roman numerals, V = 5. IV is one before five, that is, four.
IV + I = V
IV is already in Roman numerals! I presume you mean in Indian/Arabic numerals.I = 1 V = 5 so IV is one before five = 4
IX = 9
4 and 5 in Roman numerals are IV and V, respectively.
In Roman numerals, V = 5. IV is one before five, that is, four.
IV + I = V
Roman numerals: 5 = V 4 = IV 1 = I I + V = IV.
IV is already in Roman numerals! I presume you mean in Indian/Arabic numerals.I = 1 V = 5 so IV is one before five = 4
IX = 9
IV is the roman numerals equivalent of the number 4. It "means" one less than five.
The date of birth 05041971 in Roman numerals is V.IV.MCMLXXI.
The Roman numerals for the minor scale are i, ii, iii, iv, v, vi, and vii.
IV-V-MMIV
Iv/v/mmix
IV-V-MM