User contributions
(newest | oldest) View (newer 100 | older 100) (20 | 50 | 100 | 250 | 500)
- 09:32, 20 September 2019 (diff | hist) . . (+4,256) . . Kevin Zhao
- 09:30, 20 September 2019 (diff | hist) . . (-23) . . Kevin Zhao (Blanked the page) (Tag: Blanking)
- 09:28, 20 September 2019 (diff | hist) . . (-4,306) . . Kevin Zhao (Replaced content with "Currently under editing") (Tag: Replaced)
- 07:37, 10 August 2019 (diff | hist) . . (+67) . . Massachusetts MathCounts
- 07:36, 10 August 2019 (diff | hist) . . (+192) . . Massachusetts MathCounts
- 07:35, 10 August 2019 (diff | hist) . . (+223) . . Massachusetts MathCounts
- 07:31, 10 August 2019 (diff | hist) . . (+21) . . AoPS Wiki:AoPS Community Awards (→ARML Top 10)
- 07:30, 10 August 2019 (diff | hist) . . (+69) . . AoPS Wiki:AoPS Community Awards (→National Team Champions)
- 07:29, 10 August 2019 (diff | hist) . . (-9) . . AoPS Wiki:AoPS Community Awards (→National Test Champions: Fixed Jeff Lin's name)
- 07:28, 10 August 2019 (diff | hist) . . (-6) . . AoPS Wiki:AoPS Community Awards (→Perfect AIME Scores: Luke did not take aime this year since he was TST)
- 11:21, 14 July 2019 (diff | hist) . . (+32) . . Kevin Zhao
- 11:10, 14 July 2019 (diff | hist) . . (+59) . . Kevin Zhao
- 11:06, 14 July 2019 (diff | hist) . . (-64) . . AoPS Wiki:FAQ (Editing out irrelevant stuff)
- 16:50, 6 June 2019 (diff | hist) . . (+4,207) . . Kevin Zhao
- 16:09, 27 May 2019 (diff | hist) . . (+4,212) . . Reaper Archives
- 20:06, 13 May 2019 (diff | hist) . . (-173) . . Kevin Zhao (Undo revision 105801 by Baidu.com (talk)) (Tag: Undo)
- 19:38, 13 May 2019 (diff | hist) . . (-174) . . Kevin Zhao
- 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
- 15:28, 18 February 2019 (diff | hist) . . (+15) . . 2019 AMC 10B Problems/Problem 1
- 13:17, 10 February 2019 (diff | hist) . . (+5) . . Kevin Zhao
- 13:16, 10 February 2019 (diff | hist) . . (+214) . . Kevin Zhao
- 13:12, 10 February 2019 (diff | hist) . . (+171) . . Kevin Zhao
- 15:53, 29 January 2019 (diff | hist) . . (0) . . Kevin Zhao
- 15:49, 29 January 2019 (diff | hist) . . (+3,579) . . Kevin Zhao
- 21:25, 20 December 2018 (diff | hist) . . (+1,540) . . Dunan League (Undo revision 98048 by Guamup (talk)) (Tag: Undo)
- 19:27, 5 December 2018 (diff | hist) . . (+17) . . User:Benstein
- 13:54, 26 September 2018 (diff | hist) . . (-39) . . Kevin Zhao
- 17:45, 14 September 2018 (diff | hist) . . (+15) . . N User:Doingwhatcounts (Created page with "a boi in a hole") (current)
- 16:05, 14 September 2018 (diff | hist) . . (+17) . . N User:Benstein (Created page with "A troll in a hole")
- 16:05, 14 September 2018 (diff | hist) . . (-3,574) . . Kevin Zhao (Replaced content with "ben ibvhkujfrjhtngfsde0978 65ri7te865e uyvbguh tgfhb")
- 21:25, 10 September 2018 (diff | hist) . . (+16) . . User:Cool972
- 15:08, 9 September 2018 (diff | hist) . . (-35) . . Kevin Zhao
- 14:35, 9 September 2018 (diff | hist) . . (+46) . . User:Kevinmathz
- 14:33, 9 September 2018 (diff | hist) . . (-3,639) . . User:Kevinmathz (Replaced content with "no u")
- 15:02, 26 August 2018 (diff | hist) . . (0) . . Dunan League
- 12:59, 24 August 2018 (diff | hist) . . (+157) . . Dunan League
- 12:58, 24 August 2018 (diff | hist) . . (-1) . . Dunan's Theorem
- 12:57, 24 August 2018 (diff | hist) . . (+803) . . N Dunan's Theorem (Created page with "Right after the team round of the LMT, Clarke Youngins A was bored. Max Xu (westford_flying_fish) and Jeff Lin (Boxcars2015) were talking about some weird formulas on the team...")
- 10:43, 24 August 2018 (diff | hist) . . (+1) . . Dunan League
- 10:43, 24 August 2018 (diff | hist) . . (+101) . . Dunan League
- 10:41, 24 August 2018 (diff | hist) . . (+894) . . N Dunan League (Created page with "Once upon a time, during a guided study(or WIN, as Clarke calls it) Aidan Dincan(azduncan) was in Mr. Frost's room, doing some corrections on some Mathcounts tests when Bronze...")
- 22:47, 18 August 2018 (diff | hist) . . (-91) . . Talk:Kevin Zhao (Blanked the page) (current)
- 17:57, 9 August 2018 (diff | hist) . . (-38) . . Kevin Zhao
- 17:56, 9 August 2018 (diff | hist) . . (-38) . . User:Kevinmathz
- 17:56, 9 August 2018 (diff | hist) . . (+3,537) . . User:Kevinmathz
- 19:19, 15 July 2018 (diff | hist) . . (-1) . . m Kevin Zhao
- 16:31, 13 July 2018 (diff | hist) . . (+45) . . AoPS Wiki:AoPS Community Awards (→Perfect AIME Scores)
- 16:17, 13 July 2018 (diff | hist) . . (+42) . . AoPS Wiki:AoPS Community Awards (→Perfect Scorers)
- 18:45, 5 July 2018 (diff | hist) . . (+23) . . Kevin Zhao
- 19:43, 29 June 2018 (diff | hist) . . (-11) . . User:Kevinmathz
- 19:42, 29 June 2018 (diff | hist) . . (-3,501) . . User:Kevinmathz (Replaced content with "To see kevinmathz's Identity, click [url=http://artofproblemsolving.com/wiki/index.php?title=Kevin_Zhao]here[/url].")
(newest | oldest) View (newer 100 | older 100) (20 | 50 | 100 | 250 | 500)