Four Fours/77/Solutions/2

Puzzle: Four Fours: $77$

Using exactly $4$ instances of the number $4$, the task is to write an expression for $77$, using whatever arithmetical operations you consider necessary.

Solution

$77 = \dfrac {4! - . \dot 4} {.\dot 4} + 4!$

Sources

• 1964: L.H. Clarke: Fun with Figures ... (previous) ... (next): Solutions: $(46)$