Four Fours/122

From ProofWiki
Jump to navigation Jump to search

Puzzle

Using exactly $4$ instances of the number $4$, the task is to write an expression for $122$, using whatever arithmetical operations you consider necessary.


Solutions

Solution $1$

$122 = \paren {\dfrac {\sqrt 4} {.4} }! + \dfrac 4 {\sqrt 4}$


Also see

Previous  ... Next