ED077712
ED077712
ED077712
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All Rights Reserved<br />
COPYRIGHT ® 1937 BY W. D. REEVE<br />
Copyright assigned to National Council of<br />
Teachers of Mathematics. 1953<br />
pERLISSION TO REPRODUCE TIVS<br />
COPYFOGHTED 1.TATERIAL _8Y MICRO<br />
FICHE ONLY HAS BEEN GRIURTED OY<br />
7/7-C77- 7-717<br />
TO ERIC AND ORGANIZATIONS OPERAT<br />
ING UNDER AGREEMENTS WITH THE NA<br />
ITONAT INSTITUTE OF EDUCATION<br />
-FUR TITER REPRODUCTION OUTSIDE<br />
1HE ERIC SYSTEM REQUIRES PERMIT<br />
SION 01 THE COPYRIGHT OWNER<br />
First1Printing,=1937<br />
SeiotidIPrinting . 194-/<br />
Third-Printingt_t-93t<br />
Fourth rPriniinv1936<br />
Fiftti=Printin-t. 1938<br />
Sixth Printing.,1939<br />
Seventh-Printing, 1961<br />
Eighth Printing. 1963<br />
Ninth Printing, 197t<br />
PRINTED IN THE UNITED STATE* OF AMERICA
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