New Digital Trace Topic

Author: John Braine, edited by Ruan Jiangping, translated by
Publisher:
Publish Date: 2002-01-01
Features: Challenge your mind and compete with the mad number enthusiasts of the Mensa Club! They have designed over 200 brand-new, mind-boggling number puzzles, including logic puzzles, arithmetic puzzles, matrix puzzles, sequence puzzles, and many, many more. This book————！Challenge your mind and compete with the mad number enthusiasts of the Mensa Club! They have designed over 200 brand-new, mind-boggling number puzzles, including logic puzzles, arithmetic puzzles, matrix puzzles, sequence puzzles, and many, many more. This book————！