Challenging mathematics : a selection of secondary school mathematics problems ; edited by Peter Giblin and Ian Porteous.
Challenging mathematics : a selection of secondary school mathematics problems ; edited by Peter Giblin and Ian Porteous.
- Oxford: Oxford University Press, 1990.
- 96 p. : ill. ; 30 cm.
0199143617
Mathematics--Problems, exercises, etc.
510.76
0199143617
Mathematics--Problems, exercises, etc.
510.76