Răspuns:
Mihai Eminescu - MDCCCLXXXIX;
Ion Creanga - MDCCCLXXXIX
Explicație pas cu pas:
I = 1; X = 10; L = 50; C = 100; D = 500; M = 1,000;
1,000 = M;
800 = 500 + 100 + 100 + 100 = D + C + C + C = DCCC;
80 = 50 + 10 + 10 + 10 = L + X + X + X = LXXX;
9 = 10 - 1 = X - I = IX;
1,889 =
1,000 + 800 + 80 + 9 =
M + DCCC + LXXX + IX =
MDCCCLXXXIX;