Roman Numerals

identify the Roman Numerals...refer to the given chart.
I=1, II=2, III=3, V=5, X =10, C= 100, M =1000 .
, with in between numbers being represented by subtracting
a number on the left of a significant number or adding what is to the right of the more significant number...
ex. IV=4( 5-1), IX= 9 ( 10-1), XI = 11 ( 10+1), etc...