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Preparatory Problems IChO 2020

IChO 2020 Preparatory Problems



(Version 2, published on February 10, 2020)

Some changes have been made between the first version (V1, published on January 31, 2020) and the second version (V2, published on February 10, 2020).

You will find the list here – PDF

IChO 2020 Preparatory Problems & Solutions

(Will be published on June 01, 2020)

IChO Syllabus can be found in the Regulations (Appendices C and D)



We welcome any comments, corrections, and questions about the preparatory problems via email at icho2020@tubitak.gov.tr.

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