Kvant magazine archive with solved physics and mathematics problems from decades of publication.
Russian physics and mathematics magazine with problems, solutions, and theoretical articles for secondary and undergraduate students.
A Russian site offering free downloads of physics textbooks, problem books, and study materials.
Strong Moscow secondary school publishing collections of problems, solutions, and teaching materials in physics and mathematics.
A portal with Russian-language physics problems, materials, and worked solutions.
Russian popular science resource Elementy with physics and mathematics problem collections and explanations.
Site with worked solutions to Irodov, Chertov-Vorobyov, Savelyev, Volkenshtein, and Meshchersky physics problem books.
Kvantik Russian popular science and mathematics magazine featuring problem sections.
Russian study-materials portal offering textbooks and problem collections (login-required, includes Meshchersky problems).
Russian physics site offering problems, puzzles, and educational content for learners.
Database of solutions to Irodov, Chertov–Vorobyov, and Volkenshtein problem books.
Russian site with solutions to the standard Chertov-Vorobyov university physics problem collection.
Indexed solutions to Savelyev and Batygin-Toptygin textbooks and Savchenko olympiad problems.
A site collecting solutions to classic Soviet-era problem books used in physics olympiad and entrance exam preparation.
A Russian site providing solutions to both Chertov-Vorobyov and Savelyev problem collections.
Solutions to problems from the Chertov and Vorobyov physics textbook.
Problem solutions focused on Volkenshtein's physics textbook.
Strong Moscow secondary school publishing problem sets, solutions, and teaching materials in physics and mathematics.
Solutions covering multiple Russian physics textbooks and problem collections including Irodov, Savelyev, and Meshchersky.
Solutions and explanations for Irodov's classical physics problem collection.
A study resource with solutions to problems from Savelyev's physics course textbooks.
A resource with solutions to problems from Sivukhin's physics course.
Moscow School 57 publishes problem collections and solutions in mathematics and physics.
Russian website offering free solutions and answer keys for school textbooks across subjects.