Addition drill for levels 1-3

Podrobná bibliografie
Hlavní autor:	Mock, Valerie E.
Médium:	Kniha
Jazyk:	English
Vydáno:	Belmont, Calif. David S. Lake Publishers c1982.
Edice:	A learning workbooks : Mathematics [v.2]
Témata:	Addition > Study and teaching (Primary) Addition > Problems, exercises, etc.