Školjka Registration
What is Školjka?
Školjka is a web archive of math problems, a tool intended for primary and high school students training for math contests. It contains thousands of problems from various math contests in recent two decades.
Why Školjka?
Školjka supports searching by categories and difficulty, allowing students to quickly find the exact problems they are interested in. Likewise, Školjka can be helpful to mentors and teachers for preparing lectures.
Selected competitions
Recently added tasks
za koje je vrijednost izraza 
cijeli broj. 3 months, 1 week
za koje vrijedi 
pri čemu je 
najveći zajednički djelitelj brojeva 
i 
. 3 months, 1 week
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Rješenje
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