Sites like Znayka or Gdz-putina occasionally host user-uploaded solutions for specific editions.
Often used for secondary vocational education (SPO). gdz po russkomu jazyku dudnikov
Searching for "GDZ" (готовые домашние задания / prepared homework answers) for Russian language textbook typically yields results for two main editions widely used in vocational schools (SPO) and senior high school classes: gdz po russkomu jazyku dudnikov
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
Co-authored with Arbuzova and Vorozhbitskaya. Availability of Answers (GDZ)
If you are looking for specific topics to help you solve exercises yourself, Dudnikov’s curriculum generally covers: Rules for pronunciation and stress.