最古老的罗马数字1到20怎样写?
1个回答

1:Ⅰ,

2:Ⅱ,

3:Ⅲ,

4:Ⅳ,

5:Ⅴ,

6:Ⅵ,

7:Ⅶ,

8:Ⅷ,

9:Ⅸ,

10:Ⅹ,

11:Ⅺ,

12:Ⅻ,

13:ⅩⅢ,

14:ⅩⅣ,

15:ⅩⅤ,

16:ⅩⅥ,

17:ⅩⅦ,

18:ⅩⅧ,

19:ⅩⅨ,

20:ⅩⅩ.