[질문] 로마숫자는 어떻게쓰나요?

1:Ⅰ,2:Ⅱ,3:Ⅲ,4:Ⅳ,5:Ⅴ,6:Ⅵ,7:Ⅶ,8:Ⅷ,9:Ⅸ,10:Ⅹ,20:ⅩⅩ,30:ⅩⅩⅩ,40:ⅩL,50:L,60:LⅩ,70:LⅩⅩ,80:LⅩⅩⅩ,90:ⅩC,100:C,500:D,1000:M