Random MO Inequality

August 25, 2025

Some Number Theory problems

August 20, 2025

Quick Algebra 5

August 15, 2025

Quick Algeo

August 8, 2025

Quick Algebra 4

August 1, 2025

Quick Algebra 3

July 25, 2025

Coloring

July 18, 2025

Can't Be Reduced

July 11, 2025

MISSISSIPPI

July 4, 2025

Angle Jumping

June 27, 2025

Divide by 1001

June 20, 2025

Quick Algebra 2

June 13, 2025

Quick Algebra

June 6, 2025

Geo Practice 2

May 30, 2025

Geo Practice

May 23, 2025

Seven-pointed Star: {7/2}, {7/3}

May 16, 2025

Absolute value

May 9, 2025

Suspicious "Diophantine" Function

April 28, 2025

Algebra Proof

April 25, 2025

Five-pointed Star: {5/2}

April 18, 2025

Smudge Attack

April 11, 2025

Maximizing Area

March 28, 2025

The Art of Simplification

March 21, 2025

PIZZA~

March 14, 2025

012345

March 7, 2025

x > y > z

February 28, 2025

System of logs

February 21, 2025

Mod 3

February 14, 2025

Win rate

February 7, 2025

Generating Integers with fractions

January 31, 2025

Easy trig

January 24, 2025

Infinite Product

January 13, 2025

Find the prime

January 10, 2025

Magic Cube

December 13, 2024

What is Pigeonhole Principle?

December 6, 2024

Shortest Path

November 29, 2024

Let's count

November 22, 2024

Rolling square

November 8, 2024

Don't bash this...

November 1, 2024

Extremely easy geometry problem (~10 minute solve)

November 1, 2024

20241018

October 18, 2024

First time

October 11, 2024