User contributions
- 20:36, 20 October 2020 (diff | hist) . . (+446) . . 2015 AIME II Problems/Problem 14 (→Solution)
- 21:17, 22 August 2020 (diff | hist) . . (+10) . . 2017 AIME I Problems/Problem 9 (→Solution 3: $9 \mid n$ was confused with $n \mid 9$, and similarly with $n + 1$.)
- 13:47, 3 August 2020 (diff | hist) . . (+1) . . m 2011 AIME II Problems/Problem 6 (→Solution 4 (quick))
- 13:46, 3 August 2020 (diff | hist) . . (+753) . . 2011 AIME II Problems/Problem 6 (→Solution 4 (quick): Explanation for counting $a+d=b+c$.)
- 14:45, 18 July 2020 (diff | hist) . . (-1) . . m 2011 AMC 12A Problems/Problem 25 (→Solution)
- 14:45, 18 July 2020 (diff | hist) . . (-1) . . m 2011 AMC 12A Problems/Problem 25 (→Solution)
- 12:35, 17 July 2020 (diff | hist) . . (+2) . . AoPS Wiki:Competition ratings (→HMMT (November): The first five problems are relatively easy.)
- 01:00, 29 December 2019 (diff | hist) . . (0) . . 2018 AMC 10A Problems/Problem 24 (→Solution 5: Trig: Changed "area of triangle $ABC$ is equal to $\frac{1}{2} \cdot 25 \cdot 5 \cdot \sin{A}$ to "area of triangle $ADE$...")