# User contributions

(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)

- 15:28, 11 July 2022 (diff | hist) . . (+96) . . m 2007 AIME I Problems (→See also) (current)
- 16:51, 24 March 2022 (diff | hist) . . (-15) . . m 2021 USAMO (current)
- 16:50, 24 March 2022 (diff | hist) . . (+88) . . m 2021 USAMO
- 18:57, 14 March 2022 (diff | hist) . . (0) . . m 2021 USAMO Problems (current)
- 23:08, 30 December 2021 (diff | hist) . . (-186) . . m William Lowell Putnam Mathematical Competition
- 22:30, 30 December 2021 (diff | hist) . . (+6) . . m 1998 IMO Shortlist Problems/C1 (current)
- 22:30, 30 December 2021 (diff | hist) . . (+5) . . m 1998 IMO Shortlist Problems/C1
- 22:29, 30 December 2021 (diff | hist) . . (+143) . . m 1998 IMO Shortlist Problems/C1
- 22:20, 30 December 2021 (diff | hist) . . (+2) . . m 2017 USAMO Problems/Problem 5 (current)
- 22:20, 30 December 2021 (diff | hist) . . (+118) . . m 2017 USAMO Problems/Problem 5
- 22:14, 30 December 2021 (diff | hist) . . (+2) . . 2017 USAMO Problems/Problem 5
- 14:20, 9 August 2021 (diff | hist) . . (+1) . . m Northeastern WOOTers Mock AIME I Problems/Problem 6 (→Solution) (current)
- 14:20, 9 August 2021 (diff | hist) . . (+3) . . m Northeastern WOOTers Mock AIME I Problems/Problem 6 (→Solution)
- 14:19, 9 August 2021 (diff | hist) . . (+7) . . m Northeastern WOOTers Mock AIME I Problems/Problem 6 (→Solution)
- 14:18, 9 August 2021
(diff | hist) . .
**(+1,322)** . . N Northeastern WOOTers Mock AIME I Problems/Problem 6 (Created page with "== Problem 6 == Let <math>\mathcal{S}=\{1,...,10\}</math>. Two subsets, <math>A</math> and <math>B</math>, of <math>S</math> are chosen randomly with replacement, with <math>...") - 14:08, 9 August 2021 (diff | hist) . . (-2) . . m Northeastern WOOTers Mock AIME I Problems/Problem 10 (→Solution) (current)
- 14:08, 9 August 2021 (diff | hist) . . (-5) . . m Northeastern WOOTers Mock AIME I Problems/Problem 10 (→Solution)
- 14:07, 9 August 2021 (diff | hist) . . (-2) . . m Northeastern WOOTers Mock AIME I Problems/Problem 10 (→Solution)
- 14:04, 9 August 2021 (diff | hist) . . (+14) . . m Northeastern WOOTers Mock AIME I Problems/Problem 10 (→Solution)
- 14:02, 9 August 2021 (diff | hist) . . (+3) . . m Northeastern WOOTers Mock AIME I Problems/Problem 10 (→Solution)
- 14:01, 9 August 2021
(diff | hist) . .
**(+2,331)** . . N Northeastern WOOTers Mock AIME I Problems/Problem 10 (Created page with "== Problem 10 == If <math>a,b,c</math> are complex numbers such that <cmath> \begin{eqnarray*} \frac{1}{a-b}+\frac{1}{b-c}+\frac{1}{c-a}&=&0,\\ \text{and} \qquad \frac{a\ove...") - 18:23, 8 August 2021 (diff | hist) . . (+45) . . m Northeastern WOOTers Mock AIME I Problems/Problem 14 (→Solution) (current)
- 18:22, 8 August 2021 (diff | hist) . . (+44) . . m Northeastern WOOTers Mock AIME I Problems/Problem 14 (→Solution)
- 18:21, 8 August 2021 (diff | hist) . . (+173) . . m Northeastern WOOTers Mock AIME I Problems/Problem 14 (→Solution)
- 18:18, 8 August 2021
(diff | hist) . .
**(+1,090)** . . m Northeastern WOOTers Mock AIME I Problems/Problem 14 - 18:05, 8 August 2021 (diff | hist) . . (+139) . . m Northeastern WOOTers Mock AIME I Problems/Problem 14 (→Solution)
- 18:02, 8 August 2021
(diff | hist) . .
**(+1,403)** . . N Northeastern WOOTers Mock AIME I Problems/Problem 14 (Created page with "== Problem 14 == Consider three infinite sequences of real numbers: <cmath> \begin{eqnarray*} X &=& \left( x_1, x_2, \cdots \right), \\ Y &=& \left( y_1, y_2, \cdots \right),...") - 22:02, 7 August 2021 (diff | hist) . . (-1) . . m Northeastern WOOTers Mock AIME I Problems/Problem 2 (→Solution) (current)
- 22:01, 7 August 2021 (diff | hist) . . (+1) . . m Northeastern WOOTers Mock AIME I Problems/Problem 2 (→Solution)
- 22:01, 7 August 2021 (diff | hist) . . (-159) . . m Northeastern WOOTers Mock AIME I Problems/Problem 2 (→Solution)
- 21:57, 7 August 2021 (diff | hist) . . (+111) . . m Northeastern WOOTers Mock AIME I Problems/Problem 2 (→Solution)
- 21:56, 7 August 2021
(diff | hist) . .
**(+671)** . . N Northeastern WOOTers Mock AIME I Problems/Problem 2 (Created page with "== Problem 2 == It is given that <math>181^2</math> can be written as the difference of the cubes of two consecutive positive integers. Find the sum of these two integers....") - 21:45, 7 August 2021
(diff | hist) . .
**(+842)** . . N Northeastern WOOTers Mock AIME I Problems/Problem 5 (Created page with "== Problem 5 == Let <math>x</math>, <math>y</math>, and <math>z</math> be real numbers. Given that <math>x^2+2y^2+3z^2=1</math>, the maximum value of <math>\left( 3x+2y+z \ri...") (current) - 21:35, 7 August 2021 (diff | hist) . . (-47) . . m Northeastern WOOTers Mock AIME I Problems/Problem 15 (→Solution) (current)
- 21:33, 7 August 2021 (diff | hist) . . (-13) . . m Northeastern WOOTers Mock AIME I Problems/Problem 15 (→Solution)
- 21:33, 7 August 2021 (diff | hist) . . (+42) . . m Northeastern WOOTers Mock AIME I Problems/Problem 15 (→Solution)
- 21:30, 7 August 2021 (diff | hist) . . (+15) . . m Northeastern WOOTers Mock AIME I Problems/Problem 15 (→Solution)
- 21:26, 7 August 2021 (diff | hist) . . (+10) . . m Northeastern WOOTers Mock AIME I Problems/Problem 15 (→Solution)
- 21:24, 7 August 2021 (diff | hist) . . (+63) . . m Northeastern WOOTers Mock AIME I Problems/Problem 15 (→Solution)
- 21:23, 7 August 2021 (diff | hist) . . (+217) . . m Northeastern WOOTers Mock AIME I Problems/Problem 15 (→Solution)
- 21:18, 7 August 2021
(diff | hist) . .
**(+537)** . . m Northeastern WOOTers Mock AIME I Problems/Problem 15 (→Solution) - 21:10, 7 August 2021 (diff | hist) . . (+400) . . N Northeastern WOOTers Mock AIME I Problems/Problem 15 (Created page with "== Problem 15 == Find the sum of all integers <math>n\le96</math> such that <cmath>\phi(n)>n-\sqrt{n},</cmath> where <math>\phi(n)</math> denotes the number of integers less...")
- 13:29, 2 August 2021 (diff | hist) . . (+11) . . m 1988 IMO Problems (→Problem 4) (current)
- 09:32, 14 May 2021 (diff | hist) . . (+73) . . m 2018 USAMO Problems (→Day 2) (current)
- 09:24, 14 May 2021 (diff | hist) . . (+4) . . m 2006 USAMO Problems (→Day 2) (current)
- 09:24, 14 May 2021 (diff | hist) . . (+4) . . m 2005 USAMO Problems (→Resources) (current)
- 09:21, 14 May 2021 (diff | hist) . . (-2) . . m 2002 USAMO Problems (→Resources) (current)
- 09:21, 14 May 2021 (diff | hist) . . (+70) . . m 2003 USAMO Problems (→Resources) (current)
- 09:20, 14 May 2021 (diff | hist) . . (+70) . . m 2004 USAMO Problems (→Resources) (current)
- 09:19, 14 May 2021 (diff | hist) . . (+1) . . m 2002 USAMO Problems (→Resources)

(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)