Sol10

Sol25

Solution baupc 1998

Solution baupc 2001

Problem baupc 1999

Chapter 14

Problem and solution 3 a ph o 9

Problem baupc 1997

Problem baupc 2003

Problem baupc 1995

Solution baupc 2002

Sol24

Solution baupc 2003

Sol11

Sol13

Solution baupc 2004

Problem 1 i ph o 36

Problem baupc 1996

Sol72

Solution i ph o 17