Four Fours/Lemmata/Three Fours/0/Solutions
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Puzzle: Three Fours: $0$
Using exactly $3$ instances of the number $4$, the task is to write an expression for $0$, using whatever arithmetical operations you consider necessary.
Solutions
Solution $1$
- $0 = 4 - \paren {\sqrt 4 + \sqrt 4}$