Interesting inequality of sequence
by GeorgeRP, May 14, 2025, 7:47 AM
This post has been edited 1 time. Last edited by GeorgeRP, 2 hours ago
Parallel lines in incircle configuration
by GeorgeRP, May 14, 2025, 7:46 AM
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Number theory
by EeEeRUT, May 14, 2025, 6:49 AM
This post has been edited 2 times. Last edited by EeEeRUT, 3 hours ago
inequality
by xytunghoanh, May 14, 2025, 4:12 AM
This post has been edited 2 times. Last edited by xytunghoanh, 5 hours ago
ISI UGB 2025 P2
by SomeonecoolLovesMaths, May 11, 2025, 11:16 AM
This post has been edited 1 time. Last edited by SomeonecoolLovesMaths, May 11, 2025, 12:00 PM