IMO 19972026·Листок задачInternational mathematics competition for pre-university students, held annually since 1959. Six problems over two days.0200
IMO 19912026·Листок задачInternational mathematics competition for pre-university students, held annually since 1959. Six problems over two days.0350
IMO 19852026·Листок задачInternational mathematics competition for pre-university students, held annually since 1959. Six problems over two days.0120
IMO 19892026·Листок задачInternational mathematics competition for pre-university students, held annually since 1959. Six problems over two days.0380
IMO 19902026·Листок задачInternational mathematics competition for pre-university students, held annually since 1959. Six problems over two days.0220