: Many specific exam tasks from this collection are solved on YouTube by math tutors, which can be more helpful than static answers for understanding the logic.
If you tell me the topic (e.g., inequalities , functions ) or the task number , I can help you solve it directly! № 1-100 - Алгебра 9 класс Дорофеев
: Provides step-by-step solutions for exercises in the 9th-grade textbook, including the newer 2019-2020 editions. gdz na ekzamenatsionnyi sbornik po algebre dorofeeva
This is the standard textbook used during the school year. It contains "Check Yourself" and "Self-Assessment" sections that are very similar to exam tasks.
You’re likely looking for help with the (often called the Exam Collection ) by G.V. Dorofeev , usually used in the 9th grade for OGE preparation. : Many specific exam tasks from this collection
: Look specifically for "Section 1" (Standard tasks) and "Section 2" (Advanced tasks).
If you mean the specific softcover booklet dedicated solely to exam practice: This is the standard textbook used during the school year
: Offers an interactive digital version of the solutions for easier mobile viewing. 2. Exam Collection (Sbornik Zadaniy)