Four Fours/30/Solutions/4
< Four Fours | 30 | Solutions
Jump to navigation
Jump to search
Puzzle: Four Fours: $30$
Using exactly $4$ instances of the number $4$, the task is to write an expression for $30$, using whatever arithmetical operations you consider necessary.
Solution
- $30 = 4! + 4 \times \sqrt 4 - \sqrt 4$