PREPARATORY PROBLEMS

Preparatory problems (PDF format, upgraded July 8)

Preparatory problems (DOC format, upgraded July 8)

Corrections (PDF format)

Corrections (DOC format)

Preparatory problems 28 and 29, corrections (PDF format)

Preparatory problems 28 and 29, corrections (DOC format)

Authors' comments to problems 28 and 29 (PDF format)

The official calculator of IChO-2015 (PDF format)

Solutions (PDF format, upgraded July 20)

Solutions (DOC format, upgraded July 20)

Scope of the Excel knowledge (PDF format)

Scope of the Excel knowledge (DOC format)

Comments