Self-working Number Magic 在线电子书 图书标签:
发表于2024-11-09
Self-working Number Magic 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2024
Clear instructions for 101 tricks and problems, many based on important math principles. Calculations have been concealed; tricks are carefully streamlined for quick understanding and flawless performance. Master such number phenomena as Lightning Calculations, Giant Memory, Magic Squares, nearly 100 more. 98 illustrations.
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Self-working Number Magic 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2024