Powerful mathematics shortcuts and techniques in multiplication (30 techniques), for all levels and for all times

Powerful mathematics shortcuts and techniques in multiplication (30 techniques), for all levels and for all times

Dades bibliogràfiques
Autor principal: Gaytero, Reynaldo B.
Format: Llibre
Idioma:English
Publicat: [S.l. The Author] c1996.
Matèries:
Multiplication > Study and teaching.