Four Fours/177
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Puzzle
Using exactly $4$ instances of the number $4$, the task is to write an expression for $177$, using whatever arithmetical operations you consider necessary.
Solutions
Solution $1$
- $177 = \dfrac {\map \Gamma {\map \Gamma 4} } {\sqrt {. \dot 4} } - \sqrt {\dfrac 4 {. \dot 4} }$