Four Fours/32/Solutions/1
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Puzzle: Four Fours: $32$
Using exactly $4$ instances of the number $4$, the task is to write an expression for $32$, using whatever arithmetical operations you consider necessary.
Solution
- $32 = \dfrac {4 \times 4 \times 4} {\sqrt 4}$
Sources
- 1980: Angela Dunn: Mathematical Bafflers (revised ed.) ... (previous) ... (next): $1$. Say it with Letters: Algebraic Amusements: Four Fours