Răspuns :
a)LXXXIII, LXXXIV, LXXXV, LXXXVI, LXXXVII, LXXXVIII, LXXXIX, XC, XCI, XCII
LXXX||| LXXX|V LXXXV LXXXV| LXXXVII LXXXVIII LXXXIX LXXXX LXXXXI LXXXXII