The most popular database. It usually offers step-by-step handwritten or typed solutions for every exercise in the Atanasyan 10-11 textbook.
Great for mobile viewing; they often have clear diagrams for spatial geometry problems (vectors, cylinders, cones). The most popular database
Since you are looking to "download" or access these materials, 1. Where to Find Them (Online Resources) The most popular database
Most Russian educational portals host these solutions under the acronym (Готовые Домашние Задания). You can find them on: The most popular database