A "reshebnik" (GDZ - Gotovye Domashnie Zadaniya ) provides step-by-step solutions to every numbered exercise on every page of the textbook.
Students use them to understand mistakes in complex grammar exercises or compositions. russkii iazyk 3 klass reshebnik kanakina uchebnik str
Parents often use them to quickly check a child's homework for accuracy. A "reshebnik" (GDZ - Gotovye Domashnie Zadaniya )