50 mathematical puzzles and problems
Subtitle: from the International Championship of Mathematics
By: Gilles Cohen, editor.
Contributors: Cohen, Gilles.; International Championship of Mathematics.
Publisher: Key Curriculum Press
Published: 2001
Place of publication: Emeryville, CA
Language: eng
Subjects: Mathematical recreations.
Other titles: Fifty mathematical puzzles and problems
Table of contents: title: [1] Green collection (gr. 6-12); title: [2] Orange collection (gr. 9-12); title: [3] Red collection (gr. 9-college)