Four Fours/86
Jump to navigation
Jump to search
Puzzle
Using exactly $4$ instances of the number $4$, the task is to write an expression for $86$, using whatever arithmetical operations you consider necessary.
Solutions
Solution $1$
- $86 = 4! \times 4 - \dfrac 4 {.4}$
Solution $2$
- $86 = \sqrt 4 \times 44 - \sqrt 4$