International Youth Olympiad-2019 - Math demo in English

Video presentation of Math solutions in English

Dear Friends,


Join us for Math solutions in English

High school seniors, 11th grade in Russia, or final grade in your country. Problem set is available in the video.  






High school juniors, 10th grade in Russia, or pre final year in your country. Problem set for high school juniors us available at the video

Please forward your questions to email address: obudjko@hse.ru