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 $3$

$11 = \dfrac {44} {\sqrt 4 + \sqrt 4}$


Also see

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