: Most versions include around 40 training variants modeled after the official OGE demo versions.

The "Zadachi Lysenko 9 Klass" (Tasks by Lysenko, 9th Grade) series is a widely recognized collection of mathematics study aids in Russia, primarily published by . These books are specifically designed to prepare students for the OGE (State Final Examination). Key Features and Content

While the official FIPI materials (often edited by Yashchenko) are the gold standard for exam format, Lysenko’s books are praised for providing that prevent students from simply memorizing specific answers, forcing a deeper understanding of mathematical principles.

: The theoretical summaries are described as concise and accessible.

: Books often feature a thematic trainer that groups tasks by specific topics like algebra, probability, and geometry.

: Some versions use "newspaper-style" (thin) paper to keep the weight and cost down.

: A few users have noted that not every single Part 1 sub-topic is covered in exhaustive detail in every edition. Comparison to Other Manuals

Reviewers from platforms like Yandex Reviews and Ozon generally rate these books highly (often 4.9/5 stars). :