发表于2025-01-19
Self-working Number Magic 2025 pdf epub mobi 电子书
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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.
Self-working Number Magic 2025 pdf epub mobi 电子书