100 Math Brainteasers (Grade 7, 8, 9, 10). Arithmetic, Algebra and Geometry Brain Teasers, Puzzles, Games and Problems with Solutions: Math Olympiad C

Zbigniew Romanowicz, Bartholomew Dyda

Tom Emusic

2012

96 páginas

3h 12m

ISBN-13: 9781623210298