Đề Thi Olympic Toán Học Quốc Tế Năm 2015- Thái Lan
Đề thi IMO 2015 gồm 6 bài toán thuộc các chủ đề hình học, tổ hợp, số học và đại số. Tài liệu có đề gốc tiếng Việt, cấu trúc chuẩn của kỳ thi quốc tế, phù hợp cho học sinh ôn đội tuyển và rèn tư duy ở mức Olympic.
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