Bundeswettbewerb Mathematik 1981 Problem 1.3
Source: Bundeswettbewerb Mathematik 1981 Round 1
September 22, 2022
combinatoricsTrominosquare
Problem Statement
A square of sidelength is divided into unit squares. One of the unit squares is deleted. Prove that the rest of the square can be tiled with -trominos.