http://math.rusolymp.ru/archive/ Navigate to → "Задания и решения" → select year → PDF
The Russian Math Olympiad (formally known as the Всероссийская олимпиада школьников по математике – All-Russian Olympiad for school students in mathematics) is one of the most prestigious and challenging mathematical competitions in the world. It has a rich history dating back to the 1930s. Problems from this contest are known for their depth, creativity, and minimal reliance on advanced theory beyond elementary methods. russian math olympiad problems and solutions pdf verified