Write the number 1000 as an arithmetic expression, i.e. using only digits and the symbols
+ - * /
such that exactly nine 9's and no other digits show up.

9x9x9₍₉= 1000

so we can just add (9-9)x999 to round out nine nines.

Edited on August 22, 2006, 2:42 pm

Posted by Old Original Oskar! on 2006-08-22 14:40:20