To provide students with a way to check their work, understand complex problems, or catch up after missing classes.

Originally appearing as printed booklets in the 1990s, GDZ has evolved into a dominant online industry. Sites and apps offer step-by-step solutions for nearly every standard textbook used in schools across Russia and the CIS.

Most modern platforms offer these resources for free download or via online viewers, supported by advertising. Impact on Learning

The use of GDZ is a subject of intense educational debate, presenting both significant risks and potential benefits: