VN giành 213 huy chương Olympic Toán học quốc tế sau 40 năm
(TN) - Ngày 14.9, Bộ GD-ĐT đã kỷ niệm 40 năm tham dự Olympic Toán học quốc tế (IMO). Chủ tịch Ủy ban T.Ư MTTQ VN Nguyễn Thiện Nhân cùng các thế hệ nhà giáo và học sinh đã từng tham gia IMO đã dự lễ.
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