Four Fours/Lemmata/Two Fours/60

From ProofWiki
Jump to navigation Jump to search

Puzzle

Using exactly $2$ instances of the number $4$, the task is to write an expression for $60$, using whatever arithmetical operations you consider necessary.


Solutions

Solution $1$

$60 = \dfrac {4!} {.4}$


Also see

Previous  ... Next