User contributions
- 00:01, 2 November 2025 (diff | hist) . . (+1,499) . . 2024 AMC 12B Problems/Problem 21 (Added solution 8 using linear algebra (made sure before hand of originality, being noticeably different though similar to solution 3).) (current)
- 23:55, 1 November 2025 (diff | hist) . . (+66) . . N File:AMC 12B 2024 Problem 21 Triangles.png (image for solution 8 of problem 21 from AMC 12B 2024) (current)
