"GDZ" stands for Gotovye Domashnie Zadaniya (Finished Homework Assignments). While often viewed as a "cheat sheet," many students and parents use it for:
Checking answers after completing the work. gdz po biologii 7 klass rabochaia tetrad sukhorukova
Encourages students to analyze data rather than just memorize facts. gdz po biologii 7 klass rabochaia tetrad sukhorukova