Mathematics :  learning aids 4 

 - 49 pages :  illustrations ;  28 cm 
<br/><br/> Primary 
<br/><br/><label>ISBN: </label>0382018826 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Problems, exercises, etc.
<br/><br/><label>Dewey Class. No.: </label>510