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