US triumphs in ‘hardest ever’ maths Olympiad
by Oliver Holmes in Chiang Mai from on (#ECVQ)
British team 'pleased as punch' with four silver medals and 22nd place overall in annual contest, held this year in Thailand
This was the final question at the International Mathematical Olympiad (IMO), an annual "maths World Cup" for secondary school-age students, held this year in Thailand, which ended on Wednesday with the US as winners:
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