MathDB

494

Part of 1989 All Soviet Union Mathematical Olympiad

Problems(1)

ASU 494 All Soviet Union MO 1989 120 5-digit nos, permutations of 12345

Source:

8/13/2019
Show that the 120120 five digit numbers which are permutations of 1234512345 can be divided into two sets with each set having the same sum of squares.
Sum of SquaresSubsetnumber theory5-digitalgebra