User contributions for Dong jiu
17 February 2025
15 February 2025
- 06:3606:36, 15 February 2025 diff hist +2 2025 AIME II Problems/Problem 15 →Solution 2 (AM-GM)
- 03:4803:48, 15 February 2025 diff hist +1,647 2025 AIME II Problems/Problem 15 →Solution 1 ('clunky', trial and error)
13 January 2025
- 04:3004:30, 13 January 2025 diff hist −1 2021 AIME I Problems/Problem 9 →Solution 4 (Cyclic Quadrilaterals, Similar Triangles, Pythagorean Theorem) current
- 04:2904:29, 13 January 2025 diff hist +2 2021 AIME I Problems/Problem 9 →Solution 4 (Cyclic Quadrilaterals, Similar Triangles, Pythagorean Theorem)
- 04:2904:29, 13 January 2025 diff hist 0 2021 AIME I Problems/Problem 9 →Solution 4 (Cyclic Quadrilaterals, Similar Triangles, Pythagorean Theorem)
- 04:2804:28, 13 January 2025 diff hist −365 2021 AIME I Problems/Problem 9 →Solution 4 (Cyclic Quadrilaterals, Similar Triangles, Pythagorean Theorem)
