- Thread starter
- #1
Albert
Well-known member
- Jan 25, 2013
- 1,225
$prove :1\times 3\times 5\times---\times 1999\times 2001
+2\times 4\times 6\times---\times 2000\times 2002$
is a multiple of 2003
+2\times 4\times 6\times---\times 2000\times 2002$
is a multiple of 2003