User contributions for Dondee123
9 August 2025
- 01:3901:39, 9 August 2025 diff hist +1 2007 AIME I Problems/Problem 8 →Solution 1 current
- 01:3901:39, 9 August 2025 diff hist +30 2007 AIME I Problems/Problem 8 →Solution 1
1 August 2025
- 08:4308:43, 1 August 2025 diff hist +2 m 2006 AIME I Problems/Problem 15 →Solution 3 current
14 July 2025
- 05:4005:40, 14 July 2025 diff hist −162 2003 AIME I Problems/Problem 10 →Solutions current
23 February 2025
- 08:1108:11, 23 February 2025 diff hist +994 1984 AIME Problems/Problem 8 No edit summary
13 February 2025
- 22:4722:47, 13 February 2025 diff hist −1,090 2025 AIME II Problems/Problem 9 No edit summary
- 22:1522:15, 13 February 2025 diff hist +741 2025 AIME II Problems/Problem 4 No edit summary
- 22:0022:00, 13 February 2025 diff hist +16 2025 AIME II Problems/Problem 3 →Problem
- 21:5821:58, 13 February 2025 diff hist +291 N 2025 AIME II Problems/Problem 15 Created page with "== Problem == Let <cmath>f(x)=\frac{(x-18)(x-72)(x-98)(x-k)}{x}.</cmath>There exist exactly three positive real values of <math>k</math> such that <math>f</math> has a minimum..."
- 21:5621:56, 13 February 2025 diff hist +424 N 2025 AIME II Problems/Problem 13 Created page with "== Problem == Let the sequence of rationals <math>x_1,x_2,\dots</math> be defined such that <math>x_1=\frac{25}{11}</math> and <cmath>x_{k+1}=\frac{1}{3}\left(x_k+\frac{1}{x_k..."
- 21:4921:49, 13 February 2025 diff hist −36 2025 AIME II Problems →Problem 12
- 21:4721:47, 13 February 2025 diff hist +280 N 2025 AIME II Problems/Problem 11 Created page with "== Problem == Let <math>S</math> be the set of vertices of a regular <math>24</math>-gon. Find the number of ways to draw <math>12</math> segments of equal lengths so that eac..."
- 21:4621:46, 13 February 2025 diff hist +331 N 2025 AIME II Problems/Problem 10 Created page with "== Problem == Sixteen chairs are arranged in a row. Eight people each select a chair in which to sit so that no person sits next to two other people. Let <math>N</math> be the..."
- 21:4421:44, 13 February 2025 diff hist +1,329 N 2025 AIME II Problems/Problem 9 Created page with "== Problem == There are <math>n</math> values of <math>x</math> in the interval <math>0<x<2\pi</math> where <math>f(x)=\sin(7\pi\cdot\sin(5x))=0</math>. For <math>t</math> of..."
- 21:3621:36, 13 February 2025 diff hist +1,096 N 2025 AIME II Problems/Problem 8 Created page with "== Problem == From an unlimited supply of 1-cent coins, 10-cent coins, and 25-cent coins, Silas wants to find a collection of coins that has a total value of <math>N</math> ce..."
- 21:3521:35, 13 February 2025 diff hist +449 N 2025 AIME II Problems/Problem 7 Created page with "== Problem == Let <math>A</math> be the set of positive integer divisors of <math>2025</math>. Let <math>B</math> be a randomly selected subset of <math>A</math>. The probabil..."
- 21:3421:34, 13 February 2025 diff hist +1,005 N 2025 AIME II Problems/Problem 6 Created page with "== Problem == Circle <math>\omega_1</math> with radius <math>6</math> centered at point <math>A</math> is internally tangent at point <math>B</math> to circle <math>\omega_2</..."
- 21:3321:33, 13 February 2025 diff hist +781 N 2025 AIME II Problems/Problem 5 Created page with "== Problem == Suppose <math>\triangle ABC</math> has angles <math>\angle BAC = 84^\circ, \angle ABC=60^\circ,</math> and <math>\angle ACB = 36^\circ.</math> Let <math>D, E,</m..."
- 21:3321:33, 13 February 2025 diff hist +458 N 2025 AIME II Problems/Problem 4 Created page with "== Problem == The product<cmath>\prod^{63}_{k=4} \frac{\log_k (5^{k^2 - 1})}{\log_{k + 1} (5^{k^2 - 4})} = \frac{\log_4 (5^{15})}{\log_5 (5^{12})} \cdot \frac{\log_5 (5^{24})}..."
- 21:3221:32, 13 February 2025 diff hist +312 2025 AIME II Problems/Problem 1 No edit summary
- 20:5320:53, 13 February 2025 diff hist +229 2025 AIME I Problems/Problem 10 →Solution 2
- 20:4020:40, 13 February 2025 diff hist +353 2025 AIME II Problems →Problem 3
- 20:3820:38, 13 February 2025 diff hist +132 2025 AIME II Problems →Problem 2
- 20:3020:30, 13 February 2025 diff hist +3 Template:AIME Problems No edit summary current
- 20:2620:26, 13 February 2025 diff hist −22 Division of Zero by Zero →Detailed proof
- 20:2320:23, 13 February 2025 diff hist −1 Division of Zero by Zero →About Zero and it's Operators
8 November 2024
- 20:0920:09, 8 November 2024 diff hist +1 2024 AMC 12A Problems/Problem 18 →Solution 1
- 20:0620:06, 8 November 2024 diff hist +4 2024 AMC 12A Problems/Problem 18 →Solution 1
- 19:5719:57, 8 November 2024 diff hist +12 m 2024 AMC 12A Problems/Problem 10 →Solution 1
- 19:5719:57, 8 November 2024 diff hist −23 2024 AMC 12A Problems/Problem 10 No edit summary
27 January 2024
- 09:2109:21, 27 January 2024 diff hist +419 1988 AIME Problems/Problem 4 No edit summary current
19 January 2024
29 October 2023
- 00:4300:43, 29 October 2023 diff hist −1 2013 AMC 12A Problems/Problem 16 No edit summary
- 00:4200:42, 29 October 2023 diff hist +2,026 2013 AMC 12A Problems/Problem 16 No edit summary
7 September 2023
- 10:0710:07, 7 September 2023 diff hist +3 2003 AMC 12B Problems/Problem 18 No edit summary
- 10:0610:06, 7 September 2023 diff hist +1,136 2003 AMC 12B Problems/Problem 18 No edit summary
6 September 2023
- 08:3508:35, 6 September 2023 diff hist +662 2003 AMC 12A Problems/Problem 24 No edit summary
3 September 2023
- 08:1808:18, 3 September 2023 diff hist −3 2001 AMC 12 Problems/Problem 23 →Solution 4 (very very quick)
- 08:1708:17, 3 September 2023 diff hist −3 2001 AMC 12 Problems/Problem 23 →Solution 4 (quick but violent)
- 08:1408:14, 3 September 2023 diff hist +712 2001 AMC 12 Problems/Problem 23 No edit summary
3 August 2023
- 07:3007:30, 3 August 2023 diff hist +16 2007 IMO Shortlist Problems/A2 No edit summary current
- 07:3007:30, 3 August 2023 diff hist +325 2007 IMO Shortlist Problems/A2 No edit summary
- 07:2007:20, 3 August 2023 diff hist −335 2007 IMO Shortlist Problems/A2 →Problem Tag: Blanking
- 07:1907:19, 3 August 2023 diff hist +335 N 2007 IMO Shortlist Problems/A2 Created page with "== Problem == (''Bulgaria'') Consider those functions <math>f:\mathbb{N}\to\mathbb{N}</math> which satisfy the condition <cmath>f(m+n)\ge f(m)+f(f(n))−1</cmath> for all <mat..."