6 variants across 3 difficulty levels covering all major 10th-grade topics (Parallelism, Perpendicularity, Polyhedra).
Official "printed" GDZs are less common as separate books today, but you can find "Reshebnik" booklets that specifically cover Ershova's problems. If you prefer to print them yourself to have a "paper" copy, you can find the full digitized solutions at: gdz geometrii 10 klass ershova i goloborodko
If you are looking for the paper (printed) version of the GDZ (answer key) or the actual workbook for , here are the best options for finding it: 1. Buying the Paper Workbook 6 variants across 3 difficulty levels covering all
: Another reliable source for full geometry solutions from this specific author duo. 3. PDF for Printing 2023 or 2025 releases) in softcover.
: Often carries the latest editions (e.g., 2023 or 2025 releases) in softcover.