Four Fours/94
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Puzzle
Using exactly $4$ instances of the number $4$, the task is to write an expression for $94$, using whatever arithmetical operations you consider necessary.
Solutions
Solution $1$
- $94 = 4! \times 4 - \dfrac 4 {\sqrt 4}$
Solution $2$
- $94 = 4! \times 4 - 4 + \sqrt 4$