Imaginary Abacus Instruction book
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Learn to add and subtract in your head by imagining an abacus to calculate the result. Example: Learn to calculate 415-350+233-155+44 quickly, just by imagining an abacus.This book will teach you the skills required to firstly use the actual abacus effectively, then how to use an imaginary abacus (also known as a mental abacus).To follow this book you will need:1) A Japanese abacus (with at least 13 columns).2) The accompanying workbook Imaginary Abacus - Workbook (sold separately). This useful and impressive skill would be an asset for anyone.
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Beschrijving
Bol
Learn to add and subtract in your head by imagining an abacus to calculate the result. Example: Learn to calculate 415-350+233-155+44 quickly, just by imagining an abacus.This book will teach you the skills required to firstly use the actual abacus effectively, then how to use an imaginary abacus (also known as a mental abacus).To follow this book you will need:1) A Japanese abacus (with at least 13 columns).2) The accompanying workbook Imaginary Abacus - Workbook (sold separately). This useful and impressive skill would be an asset for anyone.
Beschrijving
(2)
Bol
Learn to add and subtract in your head by imagining an abacus to calculate the result. Example: Learn to calculate 415-350+233-155+44 quickly, just by imagining an abacus.This book will teach you the skills required to firstly use the actual abacus effectively, then how to use an imaginary abacus (also known as a mental abacus).To follow this book you will need:1) A Japanese abacus (with at least 13 columns).2) The accompanying workbook Imaginary Abacus - Workbook (sold separately). This useful and impressive skill would be an asset for anyone.
AmazonPagina's: 100, Editie: 2, Paperback, CreateSpace Independent Publishing Platform
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