Four Fours/180/Solutions/1

From ProofWiki
Jump to navigation Jump to search

Puzzle: Four Fours: $180$

Using exactly $4$ instances of the number $4$, the task is to write an expression for $180$, using whatever arithmetical operations you consider necessary.


Solution

$180 = \dfrac {4!} {.4} \times \sqrt {\dfrac 4 {. \dot 4} }$