Four Fours/23/Solutions/1
< Four Fours | 23 | Solutions
Jump to navigation
Jump to search
Puzzle: Four Fours: $23$
Using exactly $4$ instances of the number $4$, the task is to write an expression for $23$, using whatever arithmetical operations you consider necessary.
Solution
- $23 = 4! - 4 + \sqrt {\dfrac 4 {. \dot 4} }$