Moving ahead in arithmetic book 6

Detalles Bibliográficos
Autor Principal:	Merton, Elda L.
Outros autores:	Brueckner, Leo J., Grossnickle, Foster E.
Formato:	Libro
Idioma:	inglés
Publicado:	New York Holt, Rinehart and Winston c1963.
Subjects:	Arithmetic > Study and teaching. Arithmetic > Problems, questions, exercises.