Using only:
+ : exactly 4 times
- : exactly once
* : exactly 2 times
concatenation : exactly 2 times
create an expression that equals 666,
and the digits appear in ascending order.
EDIT: ALL 10 digits must appear exactly once each,
and in ascending order... 0 1 2 3 4 5 6 7 8 9
+ : exactly 4 times
- : exactly once
* : exactly 2 times
concatenation : exactly 2 times
create an expression that equals 666,
and the digits appear in ascending order.
EDIT: ALL 10 digits must appear exactly once each,
and in ascending order... 0 1 2 3 4 5 6 7 8 9
Last edited: