Mathemagic 在线电子书 图书标签:
发表于2024-11-24
Mathemagic 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2024
More than 60 new puzzles and stunts based on the properties of numbers. Easy techniques for multiplying large numbers mentally, identifying unknown numbers, determining the date of any day in any year, such entertainments as The Lost Digit, and Psychic Bridge. Over 30 pages of magic squares, triangles, cubes, more. 76 illustrations.
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Mathemagic 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2024