Today, June 6, the online math competition "Strive for Success" starts. It will last until June 12, and participation is free, but to join you must register in the forum:
https://burgaschallenge.com/%d1%81%d1%8a%d1%81%d1%82%d0%b5%d0%b7%d0%b0%d0%bd%d0%b8%d0%b5-%d1%83%d1%81%d1%82%d1%80%d0%b5%d0%bc%d0%b5%d0%bd%d0%b8-%d0%ba%d1%8a%d0%bc-%d1%83%d1%81%d0%bf%d0%b5%d1%85%d0%b0/
