18.95
Many useful procedures explained and taught: 2-column addition, left-to-right subtraction, direct multiplication by numbers greater than 12, mental division of large numbers, more. Also numerous helpful shortcuts. More than 8,000 problems, with solutions.
- : Henry Sticker
- : Www.Snowballpublishing.com
- : 9781607964209
- : Engels
- : Paperback
- : 194
- : maart 2012
- : 450
- : 215 x 140 x 27 mm.
- : Encyclopedieën en naslagwerken