Duolingo Data:
Türkçeden Rusça, versiyonlar:

2025-07-02, 53 farklı ders (53 ünite)
Russian TR 53 910 0 2111 24.05 53
Russian TR 60 314 1174 0 2111 24.05 53
Russian TR 34 287 1406 0 1629 23.09 53
Russian TR 34 288 1364 0 1579
Russian Turkish 318 53 237 1581

Editör: Mat!/Ozone, 2026/04/14