OZON: Often available in sets with "40 Training Variants" for full exam simulations.
Chitai-Gorod : Good for finding specific task-oriented versions like "Problems with Extended Answers". tematicheskie testy algebra 9 klass lysenko otvety
You can find the latest editions (e.g., OGE-2025 or OGE-2026) at major retailers: OZON: Often available in sets with "40 Training