ДЛ9. Демкович. Сборник задач по физике
: Most editions, such as the 1981 version for grades 8–10 and the 2000 version for grades 10–11 , contain an Answers section at the end of the book. These provide the final numerical results for all computational problems.
: You can download digital copies (DJVU/PDF) of the problem book, which include these back-of-the-book answers, from specialized archives like StatPhys or the Cosmatica Library .
: Platforms like VK (Soviet Textbooks group) often share scans and manual solutions for classic Soviet-era problem books.
Since a unified GDZ website for this specific author is rare, if you are stuck on a particular problem: