Speed mathematics : secrets of lightning mental calculation
| Main Author: | |
|---|---|
| Format: | Book |
| Published: |
Milton :
Wrightbooks ,
2003
|
| Edition: | 2nd ed |
| Subjects: |
| Physical Description: | 256p. ; 23cm. |
|---|---|
| ISBN: | 070163765X |
| Main Author: | |
|---|---|
| Format: | Book |
| Published: |
Milton :
Wrightbooks ,
2003
|
| Edition: | 2nd ed |
| Subjects: |
| Physical Description: | 256p. ; 23cm. |
|---|---|
| ISBN: | 070163765X |