User contributions
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- 16:23, 13 May 2019 (diff | hist) . . (+47) . . MathCounts historical results (→Written Test Champions)
- 16:23, 13 May 2019 (diff | hist) . . (+49) . . MathCounts historical results (→Countdown Round Champions)
- 16:23, 13 May 2019 (diff | hist) . . (+37) . . MathCounts historical results (→National Team Champions)
- 14:55, 4 May 2019 (diff | hist) . . (+29) . . 2019 AMC 10B Problems/Problem 1 (Undo revision 103393 by Sevenoptimus (talk)) (Tag: Undo)
- 14:55, 4 May 2019 (diff | hist) . . (+63) . . 2019 AMC 10B Problems/Problem 2
- 14:54, 4 May 2019 (diff | hist) . . (-16) . . 2019 AMC 12B Problems/Problem 3
- 14:54, 4 May 2019 (diff | hist) . . (+14) . . 2019 AMC 10B Problems/Problem 6 (Undo revision 103397 by Sevenoptimus (talk)) (Tag: Undo)
- 14:53, 4 May 2019 (diff | hist) . . (+14) . . 2019 AMC 10B Problems/Problem 7 (Undo revision 103398 by Sevenoptimus (talk)) (Tag: Undo)
- 14:53, 4 May 2019 (diff | hist) . . (+15) . . 2019 AMC 10B Problems/Problem 3 (Undo revision 103399 by Sevenoptimus (talk)) (Tag: Undo)
- 14:52, 4 May 2019 (diff | hist) . . (+14) . . 2019 AMC 10B Problems/Problem 4 (Undo revision 103400 by Sevenoptimus (talk)) (Tag: Undo)
- 14:52, 4 May 2019 (diff | hist) . . (+38) . . 2019 AMC 10B Problems/Problem 9 (Undo revision 103403 by Sevenoptimus (talk)) (Tag: Undo)
- 14:52, 4 May 2019 (diff | hist) . . (+140) . . 2019 AMC 10B Problems/Problem 12 (Undo revision 103405 by Sevenoptimus (talk)) (Tag: Undo)
- 14:52, 4 May 2019 (diff | hist) . . (+14) . . 2019 AMC 10B Problems/Problem 16 (Undo revision 103407 by Sevenoptimus (talk)) (Tag: Undo)
- 14:51, 4 May 2019 (diff | hist) . . (+100) . . 2019 AMC 10B Problems/Problem 20
- 14:48, 4 May 2019 (diff | hist) . . (+180) . . 2019 AMC 10B Problems/Problem 10
- 14:47, 4 May 2019 (diff | hist) . . (+1) . . 2019 AMC 10B Problems/Problem 10 (Undo revision 103404 by Sevenoptimus (talk)) (Tag: Undo)
- 14:45, 4 May 2019 (diff | hist) . . (+1,355) . . AoPS Wiki:FAQ
- 10:24, 21 April 2019 (diff | hist) . . (+47) . . Moldolvan Floppy Flops (current)
- 10:24, 21 April 2019 (diff | hist) . . (+830) . . N Moldolvan Floppy Flops (Created page with "The Moldolvan Floppy Flop was created on the night of May 12th, 2018, by BoxCars2015, at 2018 MATHCOUNTS Nationals. Then, he shared it with westford_flying_fish that night aft...")
- 19:14, 19 April 2019 (diff | hist) . . (+1) . . 2019 USAJMO Problems/Problem 6
- 19:14, 19 April 2019 (diff | hist) . . (-41) . . 2019 USAJMO Problems/Problem 6
- 19:13, 19 April 2019 (diff | hist) . . (+131) . . 2019 USAJMO Problems/Problem 6
- 19:12, 19 April 2019 (diff | hist) . . (+471) . . N 2019 USAJMO Problems/Problem 6 (Created page with "Two rational numbers \(\tfrac{m}{n}\) and \(\tfrac{n}{m}\) are written on a blackboard, where \(m\) and \(n\) are relatively prime positive integers. At any point, Evan may pi...")
- 19:11, 19 April 2019 (diff | hist) . . (+2) . . 2019 USAJMO Problems/Problem 5
- 19:11, 19 April 2019 (diff | hist) . . (0) . . 2019 USAJMO Problems/Problem 5
- 19:11, 19 April 2019 (diff | hist) . . (-22) . . 2019 USAJMO Problems/Problem 5
- 19:11, 19 April 2019 (diff | hist) . . (+516) . . N 2019 USAJMO Problems/Problem 5 (Created page with "Let <math>n</math> be a nonnegative integer. Determine the number of ways that one can choose <math>(n+1)^2</math> sets <math>S_{i,j}\subseteq\{1,2,\ldots,2n\}</math>, for int...")
- 19:10, 19 April 2019 (diff | hist) . . (-951) . . 2019 USAJMO Problems/Problem 4 (→Solution 2)
- 19:09, 19 April 2019 (diff | hist) . . (+13) . . 2019 USAJMO Problems/Problem 4 (→Solution 2)
- 19:09, 19 April 2019 (diff | hist) . . (+1) . . 2019 USAJMO Problems/Problem 4 (→Solution 2)
- 19:08, 19 April 2019 (diff | hist) . . (+2,154) . . 2019 USAJMO Problems/Problem 4 (→Solution)
- 19:08, 19 April 2019 (diff | hist) . . (+53) . . 2019 USAJMO Problems/Problem 4
- 19:06, 19 April 2019 (diff | hist) . . (+1,727) . . 2019 USAJMO Problems/Problem 4
- 19:05, 19 April 2019 (diff | hist) . . (+533) . . N 2019 USAJMO Problems/Problem 4 (Created page with "<math>(*)</math> Let <math>ABC</math> be a triangle with <math>\angle ABC</math> obtuse. The [i]<math>A</math>-excircle[/i] is a circle in the exterior of <math>\triangle ABC<...")
- 18:31, 13 April 2019 (diff | hist) . . (+33) . . Kevin Zhao
- 09:31, 8 April 2019 (diff | hist) . . (-189) . . Kevin Zhao (Undo revision 104962 by Sulfurdioxideso2 (talk)) (Tag: Undo)
- 15:49, 25 March 2019 (diff | hist) . . (-175) . . Kevin Zhao
- 17:41, 18 February 2019 (diff | hist) . . (-68) . . Dunan League
- 17:39, 18 February 2019 (diff | hist) . . (+106) . . Talk:Dunan League (Undo revision 98049 by Guamup (talk)) (current) (Tag: Undo)
- 17:38, 18 February 2019 (diff | hist) . . (+802) . . Dunan's Theorem (Undo revision 98050 by Guamup (talk)) (Tag: Undo)
- 17:30, 18 February 2019 (diff | hist) . . (+13) . . 2018 AMC 10A Problems/Problem 10
- 17:27, 18 February 2019 (diff | hist) . . (+14) . . 2019 AMC 10B Problems/Problem 20
- 17:23, 18 February 2019 (diff | hist) . . (+63) . . 2019 AMC 10B Problems/Problem 2 (Undo revision 102900 by Xmidnightfirex (talk)) (Tag: Undo)
- 15:32, 18 February 2019 (diff | hist) . . (+140) . . 2019 AMC 10B Problems/Problem 12 (Undo revision 103318 by Sevenoptimus (talk)) (Tag: Undo)
- 15:31, 18 February 2019 (diff | hist) . . (+14) . . 2019 AMC 10B Problems/Problem 10 (Undo revision 103317 by Sevenoptimus (talk)) (Tag: Undo)
- 15:31, 18 February 2019 (diff | hist) . . (+38) . . 2019 AMC 10B Problems/Problem 9 (Undo revision 103316 by Sevenoptimus (talk)) (Tag: Undo)
- 15:30, 18 February 2019 (diff | hist) . . (+14) . . 2019 AMC 10B Problems/Problem 7 (Undo revision 103314 by Sevenoptimus (talk)) (Tag: Undo)
- 15:30, 18 February 2019 (diff | hist) . . (+14) . . 2019 AMC 10B Problems/Problem 6 (Undo revision 103313 by Sevenoptimus (talk)) (Tag: Undo)
- 15:30, 18 February 2019 (diff | hist) . . (+14) . . 2019 AMC 10B Problems/Problem 4 (Undo revision 103312 by Sevenoptimus (talk)) (Tag: Undo)
- 15:29, 18 February 2019 (diff | hist) . . (+15) . . 2019 AMC 10B Problems/Problem 3
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