User contributions for Sivin
11 November 2025
- 09:2009:20, 11 November 2025 diff hist +1,445 2023 AMC 12A Problems/Problem 22 No edit summary current
14 January 2025
- 22:1622:16, 14 January 2025 diff hist +8 m 1987 AIME Problems/Problem 8 →Solution 1 current
10 October 2024
- 09:4909:49, 10 October 2024 diff hist +7 2012 AMC 12B Problems/Problem 17 →Solution 7 (Pure Trig and Similarity) current
- 09:4909:49, 10 October 2024 diff hist +2,945 2012 AMC 12B Problems/Problem 17 No edit summary
9 October 2024
- 09:0209:02, 9 October 2024 diff hist +4 m 2001 AIME I Problems/Problem 4 →Solution 3(Speedy and Simple)
- 09:0109:01, 9 October 2024 diff hist −1 m 2001 AIME I Problems/Problem 4 →Solution 3(Speedy and Simple)
6 February 2024
- 22:0022:00, 6 February 2024 diff hist −13 2020 AMC 10B Problems/Problem 7 →Solution 3
- 21:5921:59, 6 February 2024 diff hist +6 2020 AMC 10B Problems/Problem 7 →Solution 3
19 January 2024
- 01:3301:33, 19 January 2024 diff hist +8 m 2007 Cyprus MO/Lyceum/Problem 24 →Solution current
- 01:3301:33, 19 January 2024 diff hist +8 m 2007 Cyprus MO/Lyceum/Problem 22 →Solution current
18 January 2024
- 23:3123:31, 18 January 2024 diff hist +41 2000 AIME I Problems/Problem 4 →Solution 2 Length-chasing (Angle-chasing but for side lengths) current
- 23:2723:27, 18 January 2024 diff hist +2 2007 Cyprus MO/Lyceum/Problem 24 →See also
- 23:2423:24, 18 January 2024 diff hist +4 m 2007 Cyprus MO/Lyceum/Problem 22 →Problem
- 23:1923:19, 18 January 2024 diff hist 0 m 2007 Cyprus MO/Lyceum/Problem 12 →Problem current
- 23:0723:07, 18 January 2024 diff hist −1 m 2008 iTest Problems/Problem 51 →Problem current
15 October 2023
- 06:5306:53, 15 October 2023 diff hist +8 2004 AIME I Problems/Problem 10 →Solution 3 current
20 July 2023
21 April 2023
24 March 2023
- 18:4818:48, 24 March 2023 diff hist +8 m 1966 AHSME Problems/Problem 12 →Solution current
