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# 614097
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What!! π=4/√{φ}=3.1446…is this true!? : proposal of a new method for calculating π available at the middle school level - Revised edition

Author :  Umeniuguisu

Product Details

Country
Japan
Publisher
Bookway, Japan
ISBN 9784865843293
Format PaperBack
Language English
Year of Publication 2018
Bib. Info 42p ; 21cm
Categories Mathematics
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