Math Magic by Bai Ding (1 results)

paperback. Condition: New. Language:Chinese.Paperback Pages Number: 235 global epidemic 50 years of mental training tools. nearly a hundred games and puzzles. so that math more fun! Popular for at least half a century of fun math problems. from ancient Greece. ancient India to modern hundreds of interesting mathematical secret question and challenging game. even if you are a headache for people in mathematics. reading this book will revel fascinated. Explore the depth to answer in the cut I thinking. strange mathematic.…