Four Fours/117/Solutions/1
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Puzzle: Four Fours: $117$
Using exactly $4$ instances of the number $4$, the task is to write an expression for $117$, using whatever arithmetical operations you consider necessary.
Solution
- $117 = \paren {\dfrac {\sqrt 4} {.4} }! - \sqrt {\dfrac 4 {. \dot 4} }$