Arama Sonuçları - "Mental arithmetic"
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Arithmetricks 50 easy ways to add, subtract, multiply, and divide without a calculator
Baskı/Yayın Bilgisi 1995Kitap -
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Creating a society of numenarians. IN Success story [column]
Yayımlandı Philippine Daily Inquirer (1999)Makale -
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Secrets of mental math the mathemagician's guide to lightning calculation and amazing math tricks
Baskı/Yayın Bilgisi 2006Table of contents only
Kitap


