Montague-Smith, Ann,  <br/><br/>
Subtracting 

 - 24 pages :   colour illustrations ;   24 cm 
 - QED maths club! .
 - QED maths club! .
<br/><br/><label>ISBN: </label>1741262232 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.
<br/><br/><label>Dewey Class. No.: </label>510