Math. 

 - Louisiana  ed. 
 - Orlando :  Harcourt,  2005. 
 - 3 vols. (various pagings) 
<br/><br/><label>ISBN: </label>0153404817 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--problems, exercises, etc.<br/>Mathematics--Study and teaching.