1. oksana

    Awards:
    2
    Webinar participant
    other 1 award
    Webinar participant
    4
    for publication of a project
    other 3 awards
    for publication of a project
    For participation in the project "Историческая математика"
    for publication of a project
    For participation in the project "Изучаем многоугольники"
    for publication of a project
    1
    Geography