12 If n is a positive integer and r is the remainder when (n-1) kwhitejr 13 04 Aug 2010, 02:47 3 If n is a positive integer and r is the remainder when (n-1) raulmaldonadomtz 9 03 Jul 2010, 21:19 2 If n is a positive integer and r is the remainder when (n-1) CasperMonday 6 31 Aug 2009, 04:03 If n is a positive integer and r is the remainder when ( n+1 IgnitedMind 5 14 Sep 2008, 18:25 If n is posit