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.
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za koje je vrijednost izraza 
cijeli broj. 1 year
, 
i 
kompleksni brojevi takvi da je 
te 
. Koliko je 
? 1 year
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