This year, Giang Vo Secondary School (Ba Dinh district, Hanoi) is the only school representing Vietnam to attend the event.

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Students honored after winning prizes

The festival, held in Sozopol town, Bulgaria from June 27 to July 1, saw the participation of a number of students with excellent results in maths.

Triathlon Apollonia is an international mathematics festival for students from grade 3 to 6.

Translated by Lam Anh