Mental maths: book 3 

 - New Delhi  Sterling Publishers  c2010 
 - 32 p. : col. ill. ; 21 x 26 cm 
<br/><br/><label>ISBN: </label>9788120748811 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics<br/>Maths (Elementary)
<br/><br/><label>Dewey Class. No.: </label>372.7 MEN