Context:
- The text indicates educational materials for students in grades 7-9 in Russia.
- It specifically mentions preparation for GIA (State Final Attestation) and EGE (Unified State Exam), which are standardized Russian examinations.
- The term "чертежах" means "drawings" or "schematics", suggesting that these materials involve visual aids or diagrams, likely for subjects like mathematics or physics.
Insight: The context is Russian educational material for middle school students focusing on exam preparation using diagrams.