00000nam a2200000 a 4500 20251203112316.0 9780521585682 510 GAR Gardiner, Tony More mathematical challenges New York Cambridge University Press 1997-R2002 140p. 22cm. PB includes appendix UK Junior Mathematical Olympiad Mathematics -- Problems, exercises, etc. -- Juvenile literature _ 191902 LIBSC C 154814 154814 0 0 0 0 PU PU 2012-03-22 943.04 0 510 GAR 191902 2018-05-31 BK