Without using any arithmetical symbols (+, -, *, /, or similar; other math symbols; decimal comma or periods; letters; even parentheses) or, in short, anything but the digits, build a number with the digits 1, 3, 5, 7 and 9, that is equal to a number built with the digits 2, 4, 6 and 8 (each digit used once and only once).
Note: This is not a trick. It was extracted from a book edited by Angela Dunn, a mathematician who gathered problems that appeared in many scientific periodical revues!
(In reply to Different Approach
Lisa, I consider your suggestion as a trick, and again I tell you all : thereīs no kind of any tricks in the solution, itīs a math solution. The 1 is a 1, the 2 is a 2, the 3 is a 3, etc...
Posted by pcbouhid
on 2005-07-01 13:28:54