Merrill, Helen Abbot,  1864-1949. <br/><br/>
Mathematical excursions :  side trips along paths not generally traveled in elementary courses in mathematics / 
Helen Abbot Merrill. 
 - Norwood, Mass. :  Print. by the Norwood press,  c1933. 
 - xi p., 1 l., 145 p. :  diagrs. ;  20 cm. 
<br/><br/> "Answers to some of the problems": p. 144-145. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical recreations.<br/>Mathematics--Problems, exercises, etc.
<br/><br/><label>Dewey Class. No.: </label>510.76  / MEM