Deep dives into parts of speech (Nouns, Verbs, Participles, etc.).
Roots, suffixes, and how words are built. gdz po russkomu jazyku dudnikov
You can often find the full textbook (with answer keys in the back for some editions) on Twirpx or similar educational repositories. Standard Content Structure Deep dives into parts of speech (Nouns, Verbs,
To find a specific answer, it is most effective to search for the of the exercise prompt in quotes. For example: Дудник "текст упражнения..." gdz po russkomu jazyku dudnikov