Four Fours/82
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Puzzle
Using exactly $4$ instances of the number $4$, the task is to write an expression for $82$, using whatever arithmetical operations you consider necessary.
Solutions
Solution $1$
- $82 = \dfrac {4!} {. \dot 4} + 4! + 4$
Solution $2$
- $82 = \dfrac {4!} {.4} + 4! - \sqrt 4$