Posts filed under ‘.math’
Four Fours
Beremiz shows how to make each of the numbers from zero to ten by combining exactly four 4s.
The Man Who Counted by Malba Tahan: Ch.7: Going to Market
Brazil 4 maths – The Definitive Four Fours Answer Key
Four fours is a mathematical puzzle. The goal of four fours is to find the simplest mathematical expression for every whole number from 0 to some maximum, using only common mathematical symbols and the digit four (no other digit is allowed).
