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Maths on the Back of an Envelope: Clever ways to (roughly) calculate anything. An entertaining introduction to mental maths and problem solving

Maths on the Back of an Envelope: Clever ways to (roughly) calculate anything. An entertaining introduction to mental maths and problem solving

by Rob Eastaway (Author)

$13.24

Quantity

20+ in stock

More Information

Format: paperback
 Publisher: HarperCollins
Published:
ISBN 10: 0008444498
ISBN 13: 9780008444495