Diyan Dimitrov, Svetlin Lalov, Stefan Hadzhistoykov
Ms. Elena Kiselova
Sofia High School of Mathematics
Abstract. The paper includes a review of the contest papers in mathematics of
the two days of the 17th International Zhautykov Olympiad with a virtual host Kazakhstan and the Bulgarian participation therein. It contains the contest problems and the solutions of the first three authors, in some cases with several approaches to the problems.
Keywords: Mathematics contests for High School students; students‘ solutions