ITA 2026 Questão de Combinatória
A question I found straightforward. It contains a brief, very informal review of injective and surjective functions to illustrate the problem, and finally, I draw a parallel with another equivalent problem.
▶︎
IME 2025 2026 - Combinatorics (or Counting) Question
▶︎
ITA 2023 - Questão de Álgebra
▶︎
BASIC MATHS - IME 2026
▶︎
AFA 2024 - Combinatorics Question
▶︎
The Shape that Broke Math
▶︎
ITA Geometry | Can You Solve It?
▶︎
The Scariest Chart in Electrical Engineering
▶︎
IME 2021/2022 - Combinatorics Question
▶︎
P vs NP: The math problem that could CHANGE THE WORLD
▶︎
A MIRACLE FACTORATION solved the exponential! 😮
▶︎
INCOMPLETUDE DE GÖDEL: a Matemática NÃO é Perfeita
▶︎
IME 2025 - Arithmetic Question
▶︎
HOW TO SOLVE IN A SIMPLE WAY
▶︎
so you want a VERY HARD math question?!
▶︎
What Lies *Between* a Function and Its Derivative?
▶︎
How Laplace Solved The Gaussian Integral!
▶︎
ITA 2nd Phase - Question 08 - Mathematics
▶︎
Math to calm anxiety (and casually solving a problem IMO)
▶︎
A Descoberta Que Mudou o Pi Para Sempre
▶︎