Zainteresowanie wasze: 4614, czas trwania: 6m 19s, ciekawe: obecnie brak dodatkowej informacji, ocena: 27. Komentarze od was:

- what's the difference between ncert and this, I thought I'll understand smth but it's the exact same words. no point unless your blind to read a book
- nice teaching thank u very much.

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