Moving ahead in arithmetic, book 1

Moving ahead in arithmetic, book 1

Manylion Llyfryddiaeth
Prif Awdur: Merton, Elda L
Awduron Eraill: Brueckner, Leo J.
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: New York Holt, Rinehart and Winston c1963.
Pynciau:
Arithmetic > Study and teaching.
Arithmetic > Problems, exercises, questions.