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Speed mathematics : secret skills for quick calculation /
| Main Author: | |
|---|---|
| Format: | Printed Book |
| Language: | English |
| Published: |
Hoboken, N.J. :
Wiley,
c2003.
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| Subjects: |
| Item Description: | Includes index. |
|---|---|
| Physical Description: | xiii, 256 p.; |
| ISBN: | 0471467316 (pbk.): |