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How to Calculate Quickly: Full Course in Speed Arithmetic
Henry Sticker
How to Calculate Quickly: Full Course in Speed Arithmetic
Henry Sticker
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.
Médias | Livres Paperback Book (Livre avec couverture souple et dos collé) |
Validé | 15 mars 2012 |
ISBN13 | 9781607964209 |
Éditeurs | Snowball Publishing |
Pages | 194 |
Dimensions | 152 × 229 × 11 mm · 290 g |
Langue et grammaire | English |
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