GDZ.ru (VK Video) – contains comprehensive video solutions for revision sections and specific exercises.
UrokiTV YouTube Playlist – provides video walkthroughs for individual tasks (nomer 1, 2, 3, etc.). matematika vilenkin 5 klass reshebnik nomer
To provide the correct answer from the textbook (reshebnik), please specify the problem number (nomer) you are looking for. matematika vilenkin 5 klass reshebnik nomer