Four Fours/53/Solutions/1

From ProofWiki
< Four Fours‎ | 53‎ | Solutions
Jump to navigation Jump to search

Puzzle: Four Fours: $53$

Using exactly $4$ instances of the number $4$, the task is to write an expression for $53$, using whatever arithmetical operations you consider necessary.


Solution

$53 = \dfrac {4!} {. \dot 4} - \dfrac 4 4$