Advanced Challenge

Analyze the patterns and solve the equations!

1) Solve
257
2) Solve
887
3) Solve
XCVI
4) Solve
CDLXVIII
5) Solve
111
6) Solve
CMXLI
7) Solve
952
8) Solve
617
9) Solve
DCCCLVII
10) Solve
CCCXXIV
11) Solve
140
12) Solve
DCCLV
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