Title
The secrets of mental math
Call No
QA 111 S43 2011
Authors
Subjects
Language
English
Published
Chantilly, Virg. : Teaching Company, c2011.
Publication Desc
2 DVDs (12 hr.) : sd., col. ; 4 3/4 in. + guidebook (iv, 161 p. ; 20 cm.).
ISBN
1598037161
Series
Dimensions
4 3/4 in. +
MLA
APA
Chicago
0
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0