Addition
4500 + 1200 =
5700
4600 - 1200 =
3400
XXV
25
32
XXXII
V + V =
3800 + 1700 =
5500
7800 - 1900 =
5900
XLIII
43
44
XLIV
V + IV =
IX
3580 + 1037
4617
4250 - 1260 =
2990
DLXVI
566
321
CCCXXI
XL + XX =
LX
1280 + 2319 =
3599
8970 - 4780 =
4190
MDCCLXXIII
1773
1398
MCCCXCVIII
CCLVII + LXI =
CCXVIII
3269 + 4587 =
7856
5284 - 3697 =
1587
MMMCMLXXXVIII
3988
2399
MMCCCXCIX
MDLVII + MMCDXXXIII =
MMMCMXC