Powerful mathematics shortcuts and techniques in multiplication (30 techniques), for all levels and for all times
| Autor principal: | |
|---|---|
| Format: | Llibre |
| Idioma: | English |
| Publicat: |
[S.l.
The Author]
c1996.
|
| Matèries: |
| Autor principal: | |
|---|---|
| Format: | Llibre |
| Idioma: | English |
| Publicat: |
[S.l.
The Author]
c1996.
|
| Matèries: |