Speed Mathematics: Secrets of Lightning Mental Calculation by Bill Handley (Engl
25,73 €
Speed Mathematics by Bill Handley. Author Bill Handley. Written so anyone can understand, this book teaches simple strategies that will enable readers to make lightning-quick calculations. Title Speed Mathematics.
Jetzt bei Ebay:
![Produktbild - Speed Mathematics: Secret Skills for Quick Calculation [Paperback] Handley, Bill](https://i.ebayimg.com/thumbs/images/g/xL8AAOSwJEBmtEWI/s-l140.jpg)
