Mathboy282
Contributions
2019 AIME II Problems/Problem 15 Solution 5
2023 USAJMO Problems/Problem 6 Solution 1
Most of these contributions are supplements to existing solutions. There are some (around 25) that are my original solutions.
Newer Edits (2023-present):
- Supplement a solution
- Introduce own solution
The older edits (2019-2022):
- Improve formatting
- Supplement a solution
- Introduce own solution
2018 AIME I Problems/Problem_13 Solution 1 Note
2017 AIME II Problems/Problem 11 Diagram
2017 AIME I Problems/Problem 15 Solution 11
2017 AIME I Problems/Problem 15 Solution 4 (Trigonometry)
2017 AIME I Problems/Problem 11 Alternative Proof
2017 AIME I Problems/Problem 11 Solution 1
2017 AIME I Problems/Problem 10 Tex
2017 AIME II Problems/Problem 9 Solution 1
2017 AIME II Problems/Problem 7 Solution 2
2017 AIME I Problems/Problem 6 Solution
2017 AIME I Problems/Problem 4 Solution
2018 AIME II Problems/Problem 13 Solution 6 (Markov Chain)
2018 AIME II Problems/Problem 9 Supplement
2018 AIME I Problems/Problem 11 Solutions
2019 AIME II Problems/Problem 13 Solution 1
2019 AIME II Problems/Problem 13 Make it easier to read
2019 AIME II Problems/Problem 11 Supplement
2019 AIME II Problems/Problem 10 Solution 1
2019 AIME II Problems/Problem 4 Solution 1
2019 AIME I Problems/Problem 8 Solution 1
2019 AIME I Problems/Problem 8 Clarify
2019 AIME I Problems/Problem 8 Solution 1
2019 AIME I Problems/Problem 7 Solution 1
2020 AIME II Problems/Problem 14 Solution 1
2020 AIME II Problems/Problem 14 Solution 1
2020 AIME II Problems/Problem 13 Solution 5 (Official MAA 1)
2020 AIME II Problems/Problem 13 Solution 8 (The same circle)
2020 AIME I Problems/Problem 12 Solution 1
2020 AIME I Problems/Problem 8 Clarification
Cross-Segment Identity Proof Supplement
2022 AIME II Problems/Problem 8 Note
2022 AIME II Problems/Problem 8 Note
2022 AIME II Problems/Problem 8 Solution 1.5
2022 AIME II Problems/Problem 8 Clarify where the solution ends
2022 AIME II Problems/Problem 7 Alternative Finish
2022 AIME II Problems/Problem 7 Alt way to finish
2022 AIME I Problems/Problem 15 Added context
2022 AIME I Problems/Problem 15 Solution 3
2022 AIME I Problems/Problem 13 Clarification
2022 AIME I Problems/Problem 13 Solution
2023 AIME II Problems/Problem 15 Solution
2023 AIME II Problems/Problem 10 Simpler Way to Finish
2023 AIME II Problems/Problem 10 Solution 2 (Archaeological)
The Root of Root Conjecture The Conjecture
2021 AMC 10A Problems/Problem 21 Solution
2021 Fall AMC 10B Problems/Problem 19 Very faulty reasoning
2021 Fall AMC 12A Problems/Problem 17 Solution 1 (Casework)
2020 AMC 10B Problems/Problem 9 Solution 6 (Casework)
2021 AMC 12A Problems/Problem 22 Solution 3 (Trigonometric Identities)
2021 Fall AMC 12B Problems/Problem 24 Solution 4
2022 AMC 12A Problems/Problem 22 Info
2005 Indonesia MO Problems/Problem 8 Solution 2
1991 AIME Problems/Problem 13 Solution 3
1991 AIME Problems/Problem 13 Solution 3
2022 AMC 10B Problems/Problem 16 Solution 4
2022 AMC 10A Problems/Problem 19 Solution
2022 AMC 12A Problems/Problem 19 Problem
2022 AMC 10A Problems Problem 22
2022 AMC 10A Problems/Problem 25
2006 AMC 10B Problems/Problem 21 Solution 3 (intuitive)
2017 AMC 10A Problems/Problem 22 Solution 1
2021 Fall AMC 10B Problems/Problem 23 Solution 4 (Clear & Elementary Casework)
2021 Fall AMC 10B Problems/Problem 23 Latex
2021 Fall AMC 10B Problems/Problem 23 Solution 3 (Guesswork + Deduction)
2021 Fall AMC 10B Problems/Problem 23 Revision
2018 AMC 8 Problems/Problem 21 Solution 3 - Chinese Remainder Theorem
2020 AMC 8 Problems/Problem 12 Solution 3 (Using Answer Choices)
2018 AMC 10A Problems/Problem 18 Solution 10
2002 AMC 12A Problems/Problem 16 Solution 4
2010 AMC 12A Problems/Problem 16 Solution 1
2008 AMC 12A Problems/Problem 15 Solution 2
2009 AMC 10A Problems/Problem 22 Solution 4 (Educated Guess)
2009 AMC 10A Problems/Problem 21 Solution 2
2009 AMC 10A Problems/Problem 21 Solution 2
2011 AMC 10B Problems/Problem 18 Easier Way to Continue
2011 AMC 10B Problems/Problem 18 Trig Subsolution
2009 AMC 12A Problems/Problem 20 Note
2009 AMC 12A Problems/Problem 20 Solution 4 (Easiest Way)
2013 AMC 10B Problems/Problem 24 Shortcut
2008 AMC 10A Problems/Problem 12 Solution
2014 AMC 10A Problems/Problem 13 Solution 5
2014 AMC 10A Problems/Problem 13 Solution 4
2015 AMC 10B Problems/Problem 22 Solution 5
2015 AMC 10B Problems/Problem 11 Solution 2
2015 AMC 10A Problems/Problem 16 Solution 5 (Very In-Depth and Reasoned)
2000 AMC 12 Problems/Problem 15 Minor Latex
1983 AHSME Problems/Problem 18 Solution 2
2002 AMC 12A Problems/Problem 12 Solution 3
2002 AMC 12A Problems/Problem 12 Solution 3
2016 AMC 12A Problems/Problem 15
2020 USOJMO Problems/Problem 2
2017 AMC 10B Problems/Problem 17 Solution 3
2017 AMC 10A Problems/Problem 14 Solution 3
2020 AMC 10A Problems/Problem 10 Solution 1
2021 AMC 10B Problems/Problem 13 Solution 2
2021 AMC 12A Problems/Problem 17 Solution 3 Formatting
2021 AMC 12A Problems/Problem 5 Solution 3
2002 AIME I Problems/Problem 14 Solution (current)
2019 AMC 10A Problems/Problem 14 Solution
The Root of Root Conjecture The Conjecture
2011 AMC 10A Problems/Problem 20 Solution (current)
2003 AMC 10A Problems/Problem 21 Solution 4
2003 AMC 10A Problems/Problem 21 Solution 5
2020 AMC 10A Problems/Problem 14 Solution 9
2020 AMC 10A Problems/Problem 14 Solution 9
Pascal's Triangle Binomial Coefficients
Combinatorial Identity Proof
2006 AMC 10B Problems/Problem 24 Solution
Picture for the Solution 1 of 2006 AMC 10B No. 24. (current)
2006 AMC 10B Problems/Problem 19 Non-Trig Approach
2006 AMC 10B Problems/Problem 19 Solution 1
2006 AMC 10B Problems/Problem 17 Solution 2
2006 AMC 10B Problems/Problem 17 Solution
2003 AMC 10A Problems/Problem 25 Solution 2
2003 AMC 10A Problems/Problem 25 Wrong Place of Note
2003 AMC 12A Problems/Problem 12 Solution (current)
2003 AMC 12A Problems/Problem 12 Video Solution
2003 AMC 10A Problems/Problem 18 Solution 2
2019 AMC 8 Problems/Problem 24 Solution 16 (Straightforward Solution)
2004 AMC 10B Problems/Problem 18 Solution 5
2009 AMC 12B Problems/Problem 25 Solution 3
2004 AMC 10A Problems/Problem 20 Solution 5
2004 AMC 12A Problems/Problem 14 Solution 5
2005 AMC 10B Problems/Problem 25 Solution 1 Alternate Solution
2005 AMC 10B Problems/Problem 23 Solution 2
2005 AMC 10B Problems/Problem 14 No need for WLOG while defining new variables.
2005 AMC 10A Problems/Problem 19 Solution Add-On
2006 AMC 12A Problems/Problem 20 Solution 1
2006 AMC 12A Problems/Problem 20 Solutions
2006 AMC 12A Problems/Problem 20 Solution 1
2006 AMC 12A Problems/Problem 16 Problem
2006 AMC 10A Problems/Problem 16 Solution 2
2006 AMC 10A Problems/Problem 16 Solution
2008 AMC 12A Problems/Problem 22 Solution 1 (Trigonometry)
2008 AMC 12A Problems/Problem 15 Note
2008 AMC 10A Problems/Problem 18 Solution 6
2008 AMC 10A Problems/Problem 15 Solution 4
2009 AMC 10A Problems/Problem 22 Solution 4
2009 AMC 10A Problems/Problem 22 Solution 2
2009 AMC 10A Problems/Problem 22 Solution 3
2010 AMC 12A Problems/Problem 17 Proof Triangle ACE is Equilateral.
2010 AMC 12A Problems/Problem 17 Solution 3
2010 AMC 12A Problems/Problem 16 Solution
2010 AMC 12A Problems/Problem 16 Solution
2011 AMC 10A Problems/Problem 23 Solution 2
2012 AMC 10A Problems/Problem 22 Solution 1
2012 AMC 10A Problems/Problem 17 Solution 4
2014 AMC 10A Problems/Problem 22 Note
2014 AMC 10A Problems/Problem 22 Solution 5(15-75-90 Triangle)
2014 AMC 10A Problems/Problem 22 Solution 4 (No Trigonometry)
2014 AMC 10A Problems/Problem 20 Solution 2
2015 AMC 10A Problems/Problem 24 Solution 2
2015 AMC 10A Problems/Problem 19 Solution 1 (No Trigonometry)
2015 AMC 10A Problems/Problem 19 Picture for 2015 AMC 10A Problem 19 Solution.
2015 AMC 10A Problems/Problem 18 Solution
2004 AMC 10A Problems/Problem 20 Problem
2010 AMC 12A Problems/Problem 14 Solution 2 (Trick)
2010 AMC 12A Problems/Problem 14 Solution
2017 AMC 10A Problems/Problem 17 Solution 2
2018 AMC 10A Problems/Problem 23 Solution 7(Slightly different from the first solution:)
2018 AMC 10A Problems/Problem 14 Solution 2
2018 AMC 10A Problems/Problem 11 Solution 6(Solution 5 but more in-depth)
2018 AMC 10A Problems/Problem 11 Solution 5 (Stars and Bars)
2021 AMC 10A Problems/Problem 2 Problem
2020 AMC 10A Problems/Problem 25 Solution 1
2002 AMC 12A Problems/Problem 8 Solution
2019 AMC 8 Problems/Problem 24 Solution 19
2019 AMC 8 Problems/Problem 24 Solution 7
2014 AMC 8 Problems/Problem 22 Solution 2(Alternative Approach)
2015 AMC 8 Problems/Problem 25 Solution 2(Contest Solution)
2007 AMC 8 Problems Problem 25
2019 AMC 8 Problems Problem 12
2019 AMC 8 Problems Problem 5
2013 AMC 8 Problems/Problem 24 Solution 3
2004 AMC 8 Problems/Problem 23 Solution 1
2004 AMC 8 Problems/Problem 15 Problem
2007 AMC 8 Problems/Problem 25 Solution
2014 AMC 8 Problems/Problem 25 Solution 1
1996 AHSME Problems/Problem 24 Solution 3
2004 AMC 12A Problems Problem 5
2018 AMC 8 Problems/Problem 20 Solution 2
2018 AMC 8 Problems/Problem 20 Solution 3
2019 AMC 8 Problems/Problem 2 Solution 3
2019 AMC 8 Problems/Problem 25 Solution 2
2019 AMC 8 Problems/Problem 15 Solution 1
2004 AMC 10B Problems/Problem 20 Problem
2002 AMC 8 Problems Problem 9
2003 AMC 8 Problems/Problem 23 Solution
2003 AMC 8 Problems/Problem 22 Solution