# User contributions

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- 15:03, 25 February 2021
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**(+1,646)** . . 2006 iTest Problems/Problem U7 (Solution to U7 -- first solution writeup of 2021 and finally got that problem down!) (current) - 18:44, 23 February 2021 (diff | hist) . . (0) . . m 2006 iTest Problems/Problem U8 (Fixed the value.) (current)
- 14:48, 23 February 2021 (diff | hist) . . (-412) . . m 1997 JBMO Problems/Problem 4 (Conciseness change (thanks Quantomaticguy)) (current)
- 14:44, 23 February 2021 (diff | hist) . . (-169) . . m 1961 AHSME Problems/Problem 38 (Undo revision 139965 by Quantomaticguy -- alternate solution not correct) (current) (Tag: Undo)
- 14:24, 23 February 2021 (diff | hist) . . (+115) . . William Lowell Putnam Mathematical Competition (Adjusted links of the Putnam (since some of them do not work)) (current)
- 21:10, 7 September 2020 (diff | hist) . . (+26) . . m Percent (current)
- 21:08, 7 September 2020 (diff | hist) . . (+27) . . m Rate (current)
- 21:07, 7 September 2020 (diff | hist) . . (+13) . . m Ratio (current)
- 21:04, 7 September 2020
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**(+2,686)** . . N Percent (Created page with "A '''percent''' is a type of ratio where something is compared to a hundred. Probabilities, scores, and success rates are commonly written in percents. ==Conversion to F...") - 20:37, 7 September 2020 (diff | hist) . . (-123) . . Rate (Rewriting with strategy for rate problems as well as Alcumus problem links.)
- 20:28, 7 September 2020 (diff | hist) . . (+243) . . m Ratio (Minor cleanup and practice problems.)
- 16:48, 12 June 2020
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**(+4,313)** . . Decimal (Added comparison, operations, and practice problem links) (current) - 19:37, 11 June 2020
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**(+2,159)** . . Inequality (Cleaned up the messy section on solving inequalities -- and added related Alcumus units) (current) - 19:03, 11 June 2020
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**(+780)** . . Mixed number (Added operations on mixed numbers (and link to Alcumus unit)) (current) - 18:34, 11 June 2020
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**(+2,558)** . . Fraction (Expanded section to include conversion, simplification, comparison, and the four operations (as well as Alcumus units)) (current) - 18:04, 11 June 2020
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**(+1,971)** . . Prime factorization (Updated link to Prime Shooter and added example) - 15:42, 11 June 2020 (diff | hist) . . (+155) . . m Divisibility rules (Small organization changes)
- 15:25, 11 June 2020 (diff | hist) . . (-328) . . m Exponentiation
- 15:24, 11 June 2020 (diff | hist) . . (-408) . . Exponentiation (Cleanup and Alcumus)
- 14:55, 11 June 2020
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**(+1,121)** . . Order of operations (Added explanations and link to Alcumus) - 14:29, 11 June 2020 (diff | hist) . . (+128) . . m Algebraic manipulation (Added units from Alcumus)
- 11:56, 25 April 2020 (diff | hist) . . (+233) . . Contest strategies (Added "staying calm" as a test strat.)
- 14:11, 14 April 2020 (diff | hist) . . (+105) . . m Optimization (Added the use of Olympiads (AM-GM, Cauchy, etc.).) (current)
- 14:08, 14 April 2020
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**(+3,783)** . . Algebraic manipulation (More information on algebraic manipulation, including cross-multiplication and extraneous solutions.) - 17:52, 10 April 2020
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**(+1,715)** . . Homothety (Properties, usage, and a picture added!) - 16:41, 10 April 2020
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**(+1,971)** . . Algebra (Undo revision 115159 by Winter29 (talk)) (Tag: Undo) - 16:39, 10 April 2020 (diff | hist) . . (+313) . . System of equations (Minor cleanup, more strategies, and practice problems.)
- 15:53, 10 April 2020
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**(+1,333)** . . Substitution (Cleanup and added clever substitution section.) (current) - 14:05, 10 April 2020
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**(+1,080)** . . Word problem (Added strategies.) (current) - 11:58, 10 April 2020
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**(+1,837)** . . N 2004 Pan African MO Problems/Problem 4 (Solution to 2004 Pan African MO Problem 4 -- simple words-to-math problem) (current) - 16:50, 8 April 2020 (diff | hist) . . (0) . . m 2008 Indonesia MO Problems/Problem 1 (Adjusted difficulty to Intermediate Geo.) (current)
- 16:49, 8 April 2020
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**(+1,389)** . . N 2008 Indonesia MO Problems/Problem 1 (Solution to 2008 Indonesia MO Problem 1 -- cyclics) - 10:59, 27 March 2020 (diff | hist) . . (+39) . . m Nordic Mathematical Contest (current)
- 10:58, 27 March 2020 (diff | hist) . . (+91) . . m Nordic Mathematical Contest (Link upgrade!)
- 10:46, 27 March 2020 (diff | hist) . . (0) . . m 2004 Pan African MO Problems/Problem 3 (Adjusted difficulty to Intermediate NT.) (current)
- 10:43, 27 March 2020
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**(+1,778)** . . N 2004 Pan African MO Problems/Problem 3 (Solution to Problem 3 -- numbers in a circle) - 10:09, 27 March 2020 (diff | hist) . . (+4) . . m 2001 Pan African MO Problems/Problem 3 (Changed difficulty to Intermediate Geo.) (current)
- 14:08, 26 March 2020
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**(+4,188)** . . N 2007 Indonesia MO Problems/Problem 7 (Solution to Problem 7 -- a pretty complicated circle geo problem) (current) - 19:32, 25 March 2020
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**(+2,620)** . . N 2004 Pan African MO Problems/Problem 5 (Solution to Problem 5 -- trial and error!) (current) - 14:00, 25 March 2020 (diff | hist) . . (-1) . . m User:Rockmanex3 (→Hall of Problems) (current)
- 13:59, 25 March 2020
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**(+1,049)** . . User:Rockmanex3 (Update 3/25/20) - 15:54, 24 March 2020 (diff | hist) . . (+211) . . m 2004 Pan African MO Problems/Problem 2 (Reformatting) (current)
- 15:50, 24 March 2020
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**(+988)** . . N 2004 Pan African MO Problems/Problem 1 (Solution to Problem 1 -- number theory casework) (current) - 19:55, 22 March 2020
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**(+2,047)** . . N 2008 Indonesia MO Problems/Problem 2 (Solution to Problem 2 -- oh baby a triple!) (current) - 12:43, 21 March 2020
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**(+2,983)** . . N 2007 Indonesia MO Problems/Problem 8 (Solution to Problem 8 (credit to crazyfehmy) -- perfect square shenans) (current) - 00:16, 19 March 2020 (diff | hist) . . (+118) . . m 2007 Indonesia MO Problems/Problem 6 (Solution edits) (current)
- 10:56, 17 March 2020 (diff | hist) . . (+134) . . m 2005 Indonesia MO Problems/Problem 6 (Solution edits) (current)
- 10:50, 17 March 2020
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**(+686)** . . m 2003 Indonesia MO Problems/Problem 3 (Added answer confirmation) (current) - 10:29, 17 March 2020 (diff | hist) . . (+401) . . m 2006 Indonesia MO Problems/Problem 1 (Solution edits) (current)
- 14:10, 14 March 2020
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**(+2,194)** . . N 2007 Indonesia MO Problems/Problem 2 (Solution to Problem 2 -- LaTeXing this took a long time) (current) - 12:30, 28 February 2020 (diff | hist) . . (0) . . 2008 iTest Problems/Problem 32 (Problem is more of an introductory geo problem.) (current)
- 12:26, 28 February 2020 (diff | hist) . . (0) . . 2004 Indonesia MO Problems/Problem 7 (Problem is more of an introductory geo problem.) (current)
- 12:05, 28 February 2020
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**(+2,103)** . . N 2007 Indonesia MO Problems/Problem 5 (Solution to Problem 5 -- easy problem with hard solution writing) (current) - 16:33, 27 February 2020
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**(+1,935)** . . N 2007 Indonesia MO Problems/Problem 6 (Solution to Problem 6 -- systems with monotonics) - 22:50, 25 February 2020
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**(+1,378)** . . N 2007 Indonesia MO Problems/Problem 3 (Solution to Problem 3 (credit to vedran6) — niche inequality strat) (current) - 14:28, 17 February 2020
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**(+1,216)** . . N 2007 Indonesia MO Problems/Problem 4 (Solution to Problem 4 — short counting problem) (current) - 14:04, 17 February 2020
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**(+1,664)** . . N 2007 Indonesia MO Problems/Problem 1 (Solution to Problem 1 — easy with a good diagram) (current) - 21:51, 16 February 2020
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**(+587)** . . Math Prize for Girls (More info on Math Prize as well as difficulty.) (current) - 01:57, 14 February 2020 (diff | hist) . . (+98) . . National Internet Math Olympiad (Added category of difficulty.) (current)
- 16:18, 12 February 2020 (diff | hist) . . (+408) . . m 2007 Indonesia MO Problems (Added solution links.) (current)
- 17:16, 1 February 2020 (diff | hist) . . (+3) . . m 2007 iTest Problems/Problem 49 (Binomials and fractions adjusted for easier viewing) (current)
- 17:14, 1 February 2020
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**(+2,451)** . . 2007 iTest Problems/Problem 49 (Solution to Problem 49 -- inspired by solution to problem on Math Prize for Girls) - 12:41, 29 January 2020
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**(+3,043)** . . N 2008 Indonesia MO Problems (2008 Indonesia MO Problems are up!) (current) - 15:25, 28 January 2020 (diff | hist) . . (0) . . 2003 Pan African MO Problems/Problem 2 (Fix) (current)
- 12:59, 27 January 2020 (diff | hist) . . (+4) . . 2003 Pan African MO Problems/Problem 4 (Fixed LaTeX) (current)
- 12:56, 27 January 2020
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**(+1,251)** . . N 2003 Pan African MO Problems/Problem 4 (Solution to Problem 4 (credit to akhan98) -- complicated function problem) - 12:01, 25 January 2020 (diff | hist) . . (+1) . . m 2003 Pan African MO Problems/Problem 6 (→Solution) (current)
- 11:54, 25 January 2020
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**(+3,247)** . . N 2003 Pan African MO Problems/Problem 6 (Solution to Problem 6 -- epic functional equation problem) - 10:20, 15 January 2020
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**(+2,261)** . . N 2003 Pan African MO Problems/Problem 5 (Solution to Problem 5 -- novice NT problem that requires precision) (current) - 01:04, 14 January 2020
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**(+2,281)** . . N 2003 Pan African MO Problems/Problem 1 (Solution to Problem 1 -- finding functions) (current) - 00:14, 14 January 2020
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**(+1,183)** . . N 2003 Pan African MO Problems/Problem 2 (Solution to Problem 2 -- VERY EASY circle angle problem) - 00:08, 14 January 2020
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**(+1,334)** . . N 2003 Pan African MO Problems/Problem 3 (Solution to Problem 3 -- easy number base problem) (current) - 00:45, 7 January 2020
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**(+852)** . . N 2002 Pan African MO Problems/Problem 6 (Solution to Problem 6 -- tough inequality problem with a simple solution) (current) - 22:53, 6 January 2020 (diff | hist) . . (+41) . . m 2002 Pan African MO Problems/Problem 5
- 22:51, 6 January 2020 (diff | hist) . . (+369) . . 2002 Pan African MO Problems/Problem 5 (Polishing)
- 22:36, 6 January 2020
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**(+3,417)** . . N 2002 Pan African MO Problems/Problem 5 (Solution to Problem 5 -- nice geo problem) - 12:52, 24 December 2019
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**(+1,599)** . . N 2002 Pan African MO Problems/Problem 3 (Solution to Problem 3 -- induction rules the day again) (current) - 13:01, 23 December 2019
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**(+4,040)** . . N 2002 Pan African MO Problems/Problem 2 (Solution to Problem 2 -- coordinate geo wins the day) (current) - 16:18, 21 December 2019
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**(+1,620)** . . N 2002 Pan African MO Problems/Problem 1 (Solution to Problem 1 — easy induction) (current) - 00:15, 21 December 2019 (diff | hist) . . (-13) . . m 2001 Pan African MO Problems/Problem 3
- 00:14, 21 December 2019
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**(+3,921)** . . N 2001 Pan African MO Problems/Problem 3 (Solution to Problem 3 -- coordinate geometry is OP!) - 15:21, 20 December 2019 (diff | hist) . . (+13) . . m 2006 Indonesia MO Problems/Problem 6 (current)
- 12:30, 20 December 2019 (diff | hist) . . (+85) . . m ITest Problems and Solutions (Added the Tournament of Champions)
- 12:19, 20 December 2019
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**(+1,606)** . . User:Rockmanex3 (Update 12/20/19) - 23:26, 17 December 2019
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**(+3,506)** . . N 2001 Pan African MO Problems/Problem 4 (Solution to Problem 4 -- tough problem done!) (current) - 15:23, 17 December 2019 (diff | hist) . . (+2) . . m 2001 Pan African MO Problems/Problem 5 (→Solution) (current)
- 15:23, 17 December 2019 (diff | hist) . . (+4) . . m 2001 Pan African MO Problems/Problem 5
- 15:22, 17 December 2019
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**(+1,439)** . . N 2001 Pan African MO Problems/Problem 5 (Solution to Problem 5 -- summation and floors) - 12:34, 17 December 2019
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**(+1,566)** . . N 2000 Pan African MO Problems/Problem 4 (Solution to Problem 4 -- super system of equations) (current) - 12:02, 17 December 2019
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**(+1,451)** . . N 2001 Pan African MO Problems/Problem 2 (Solution to Problem 2 -- wall) (current) - 12:47, 16 December 2019
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**(+3,454)** . . N 2007 Indonesia MO Problems (2007 Indonesia MO problems are up!) - 11:56, 16 December 2019
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**(+3,574)** . . N 2006 Indonesia MO Problems/Problem 4 (Solution to Problem 4 -- two-player strategy game!) (current) - 17:48, 14 December 2019
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**(+3,066)** . . N 2006 Indonesia MO Problems/Problem 5 (Solution to Problem 5 -- Menelaus' Theorem) (current) - 13:16, 14 December 2019
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**(+1,280)** . . N 2001 Pan African MO Problems/Problem 1 (Solution to Problem 1 -- "values where fraction is integer" problem with a small twist) (current) - 13:05, 14 December 2019
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**(+1,457)** . . N 2000 Pan African MO Problems/Problem 2 (Solution to Problem 2 -- if an AIME problem did have the 0-999 limit) (current) - 11:51, 6 December 2019
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**(+1,836)** . . N 2000 Pan African MO Problems/Problem 1 (Solution to Problem 1 -- starter trig problem) (current) - 12:02, 5 December 2019
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**(+679)** . . N 2005 Pan African MO (Created page with "'''2005 Pan African MO''' problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. * 2005...") (current) - 11:56, 5 December 2019
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**(+1,936)** . . N 2004 Pan African MO Problems (2004 Pan African MO problems are up!) (current) - 11:48, 5 December 2019
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**(+679)** . . N 2004 Pan African MO (Created page with "'''2004 Pan African MO''' problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. * 2004...") (current) - 11:35, 5 December 2019
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**(+1,743)** . . N 2003 Pan African MO Problems (2003 Pan African MO problems are up!) (current)

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