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Self-Working Number Magic by Karl Fulves
Original price was: $5.15.$1.99Current price is: $1.99.
Description
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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