PPPPLLLLLLLLLLLLLZZZZZZZZZZZZZZ HHHHHHEEEEEEEEEELLLLLLLLLLLPPPPPP
30 points and BRAINLIEST!!!!!!!!!!!!!!!!!

Explanation:
I don't really get the first part but heres 2nd part.
2. nueve IV + V = IX
3. dos VIII - VI = II
4. diez III + VII = X
5. cuatro VI - II = IV
6. ocho IX - I = VIII
7. seis II × III = VI
8. sinco X ÷ II = V