31 October 2025

• 15:0015:00, 31 October 2025 diff hist +94 User:Yuhao2012 →Contributions current
• 14:5914:59, 31 October 2025 diff hist +1,108 N 2007 SMT General Round Problem 2 Created page with "==Problem== Aliens from Lumix have one head and four legs, while those from Obscra have two heads and only one leg. If 60 aliens attend a joint Lumix and Obscra interworld con..." current
• 14:5414:54, 31 October 2025 diff hist +1,144 N 2007 SMT/General Created page with "== 2007 SMT General Round == This page consists of 25 problems. * 2007 SMT General Round Problem 1 * 2007 SMT General Round Problem 2 * 2007 SMT General Round Prob..." current
• 14:4514:45, 31 October 2025 diff hist +95 User:Yuhao2012 →Contributions
• 14:4414:44, 31 October 2025 diff hist +864 N 2007 SMT Geometry Round Problem 1 Created page with "==Problem== An equilateral triangle has perimeter numerically equal to its area, which is not zero. Find its side length. ==Solution== Let's say the side length of this equil..." current
• 14:3714:37, 31 October 2025 diff hist +555 N 2007 SMT/Geometry Created page with "== 2007 SMT Geometry Round == This page consists of 10 problems. * 2007 SMT Geometry Round Problem 1 * 2007 SMT Geometry Round Problem 2 * 2007 SMT Geometry Round..." current

29 October 2025

• 07:3907:39, 29 October 2025 diff hist 0 m User:Yuhao2012 →Contributions
• 07:3807:38, 29 October 2025 diff hist +94 User:Yuhao2012 →SMT
• 07:3707:37, 29 October 2025 diff hist +7 2007 SMT Algebra Round Problem 1 →Solution current

28 October 2025

• 22:2922:29, 28 October 2025 diff hist +1 2007 SMT Algebra Round Problem 1 →Solution
• 22:2922:29, 28 October 2025 diff hist +510 N 2007 SMT Algebra Round Problem 1 Created page with "==Problem== Find all real roots of <math>f</math> if <math>f\left(x^{\frac19}\right)=x^2-3x-4</math>. ==Solution== After factoring, we get <math>f\left(x^{\frac19}\right)=(x-..."
• 19:4319:43, 28 October 2025 diff hist +94 User:Yuhao2012 →Contributions
• 19:4119:41, 28 October 2025 diff hist +1,060 N 2007 SMT Algebra Round Problem 6 Created page with "==Problem== What is the largest prime factor of <math>4^9+9^4</math>? ==Solution== By just bashing it out, we get <math>4^9=2^{18}=2^{10}\times2^8=1024\times256=262144</math>..." current
• 18:4718:47, 28 October 2025 diff hist 0 m User:Yuhao2012 →Contributions
• 18:4618:46, 28 October 2025 diff hist +94 User:Yuhao2012 →SMT
• 18:4618:46, 28 October 2025 diff hist +1,563 N 2007 SMT Algebra Round Problem 4 Created page with "==Problem== How many positive integers <math>n</math>, with <math>n\leq2007</math>, yield a solution for <math>x</math> (where <math>x</math> is real) in the equation <math>\l..." current
• 18:2918:29, 28 October 2025 diff hist +544 N 2007 SMT/Algebra Created page with "== 2007 SMT Algebra Round == This page consists of 10 problems. * 2007 SMT Algebra Round Problem 1 * 2007 SMT Algebra Round Problem 2 * 2007 SMT Algebra Round Prob..." current
• 18:0718:07, 28 October 2025 diff hist +15 2025 AMC 10A Problems Undo revision 264352 by Yuhao2012 (talk) Tag: Undo
• 18:0618:06, 28 October 2025 diff hist −218 2025 AMC 10A Problems →Problem 2
• 18:0618:06, 28 October 2025 diff hist −141 2025 AMC 10A Problems →Problem 1
• 07:3707:37, 28 October 2025 diff hist +8 m 2007 SMT Team Round Problem 6 →Solution current

25 October 2025

• 14:4814:48, 25 October 2025 diff hist +100 User:Yuhao2012 →Contributions
• 14:4714:47, 25 October 2025 diff hist +540 N 2007 SMT Team Round Problem 6 Created page with "==Problem== <math>x\equiv\left(\sum_{k=1}^{2007} k \right) \mod 2016</math>, where <math>0\leq x\leq 2015</math>. Solve for <math>x</math>. ==Solution== The summation will gi..."
• 14:3914:39, 25 October 2025 diff hist −5 2007 SMT/Team No edit summary current
• 14:3914:39, 25 October 2025 diff hist +516 N 2007 SMT/Team Created page with "== 2007 SMT Team Round == This page consists of 10 problems. * 2007 SMT Team Round Problem 1 * 2007 SMT Team Round Problem 2 * 2007 SMT Team Round Problem 3 * ..."

17 October 2025

• 09:4609:46, 17 October 2025 diff hist 0 N 2027 AMC 8 Problems/Problem 18 Created blank page current
• 09:4509:45, 17 October 2025 diff hist +55 2027 AMC 8 Problems/Problem 1 No edit summary
• 09:4409:44, 17 October 2025 diff hist +69 2026 AMC 8 Answer Key No edit summary
• 09:0009:00, 17 October 2025 diff hist +86 User:Baihly2024 →The Ultimate Math Problem

14 October 2025

• 17:5017:50, 14 October 2025 diff hist +37 N 2026 USAMO Problems Created page with "Don't cheat on the USAMO bro nice try" current

13 October 2025

• 11:1211:12, 13 October 2025 diff hist +216 N Euclid 2019/Problem 4 Created page with "== Euclid 2019 Problem 4 == This page consists of 2 sub-problems. * Euc20194/Sub-Problem 1 * Euc20194/Sub-Problem 2 [https://artofproblemsolving.com/wiki/index.php/..." current
• 10:5710:57, 13 October 2025 diff hist 0 User:Yuhao2012 →Contributions
• 10:5710:57, 13 October 2025 diff hist +83 User:Yuhao2012 →Euclid
• 10:5610:56, 13 October 2025 diff hist +1,457 N Euclid 2019/Problem 3 Created page with "==Problem== (a) Michelle calculates the average of the following numbers: <math>5, 10, 15, 16, 24, 28, 33, 37</math>. Daphne removes one number and calculates the average of..." current
• 10:4410:44, 13 October 2025 diff hist −1 Euclid 2019/Problem 2 →Problem current
• 10:4410:44, 13 October 2025 diff hist +261 Euclid 2019/Problem 2 →Problem
• 10:4210:42, 13 October 2025 diff hist +23 N Euclid 2019/Problem 2 Created page with "==Problem== (a) (b) (c)"
• 10:4110:41, 13 October 2025 diff hist +45 User:Yuhao2012 →Contributions
• 10:4010:40, 13 October 2025 diff hist +84 User:Yuhao2012 →Euclid
• 10:3910:39, 13 October 2025 diff hist +370 N Euc20191/Sub-Problem 3 Created page with "==Problem== If <math>\frac{1}{x^2}-\frac{1}{x}=2</math>, determine all possible values of <math>x</math>. ==Solution== Let's start by multiplying both sides by <math>x^2</mat..." current
• 10:3310:33, 13 October 2025 diff hist +84 User:Yuhao2012 →Euclid
• 10:3210:32, 13 October 2025 diff hist +263 Euc20191/Sub-Problem 2 No edit summary current
• 10:3110:31, 13 October 2025 diff hist +556 Euc20191/Sub-Problem 1 Undo revision 262962 by Yuhao2012 (talk) current Tag: Undo
• 10:3010:30, 13 October 2025 diff hist −555 Euc20191/Sub-Problem 1 Blanked the page Tag: Blanking
• 10:2810:28, 13 October 2025 diff hist +2 User:Yuhao2012 No edit summary
• 10:2710:27, 13 October 2025 diff hist +4 User:Yuhao2012 No edit summary
• 10:2710:27, 13 October 2025 diff hist +45 User:Yuhao2012 No edit summary
• 10:2610:26, 13 October 2025 diff hist −35 User:Yuhao2012 →AMC10
• 10:2610:26, 13 October 2025 diff hist +35 User:Yuhao2012 No edit summary

12 October 2025

• 22:3022:30, 12 October 2025 diff hist +2 User:Yuhao2012 →AMC8