Dr. Ivaylo Kortezov, Assoc. Prof., Miroslav Marinov
Institute of Mathematics and Informatics
Bulgarian Academy of Sciences
https://doi.org/10.53656/math2022-4-3-dva
Abstract. The paper includes the contest paper of JBMO 2022 together with variants of the solutions of the problems, plus comments on them and on the results of the team. The materials included can be useful to the groups for preparation for
junior high school math contests.
Keywords: math contests; JBMO, junior high school
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