Four Fours/11
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Puzzle
Using exactly $4$ instances of the number $4$, the task is to write an expression for $11$, using whatever arithmetical operations you consider necessary.
Solutions
Solution $1$
- $11 = \dfrac {4!} {\sqrt 4} - \dfrac 4 4$
Solution $2$
- $11 = 4 + 4 + \sqrt {\dfrac 4 {.\dot 4} }$
Solution $3$
- $11 = \dfrac {44} {\sqrt 4 + \sqrt 4}$