You can find step-by-step solutions and video explanations for this textbook on popular educational platforms such as:
UrokiTV YouTube Playlist – provides video walkthroughs for individual tasks (nomer 1, 2, 3, etc.). matematika vilenkin 5 klass reshebnik nomer
Skysmart Reshebnik – offers detailed text solutions for the entire 5th-grade curriculum. You can find step-by-step solutions and video explanations
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