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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
3 months, 3 weeks
3 months, 3 weeks
Recent activities:
7. February
17:09
6. February
09:55
5. February
22:27
21:10
21:08
20:49
20:46
20:39
4. February

11:35

11:29

11:20
Rješenje
11:12
Rješenje
10:52
3. February
01:00
00:53
2. February
12:04