: Includes more advanced problem-solving intended to prepare students for final exams.
: Most didactic materials by Ershova and Goloborodko contain six variants for every independent or control work, and the GDZ typically provides answers and step-by-step solutions for all of them. : Includes more advanced problem-solving intended to prepare
: Transitions into stereometry (3D geometry) and complex calculations involving volume and spatial figures. the Theorem of Thales
: Platforms like GDZ.ru and MegaResheba provide these solutions online, often categorized by work number and variant for quick navigation. : Includes more advanced problem-solving intended to prepare
: Focuses on basic constructions, the Theorem of Thales, and properties of triangles and parallel lines.