The textbook by Peryshkin (often co-authored with Gutnik) usually focuses on several major chapters of physics: Mechanics, kinematics, and Newton's laws.
Students use them to check their self-solved answers against the professional keys. reshebnik po fiziki 9 klass peryshkin
Features verified digital solutions for the 2022 Peryshkin editions [Skysmart] . The textbook by Peryshkin (often co-authored with Gutnik)