You can access digital versions of this reshebnik on several popular educational portals:
GDZ.RU : A broad repository for 4th-grade Russian language materials. You can access digital versions of this reshebnik
While these resources are excellent for checking work, they are most effective when used to or to clarify difficult concepts, rather than simple copying. This ensures the student continues to develop critical linguistic skills like spelling, punctuation, and morphological analysis. You can access digital versions of this reshebnik
Skysmart Resh: Offers solutions for editions from 2014 to 2022. You can access digital versions of this reshebnik