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More about Mental Mathematics: A fast Arithmetics operation at the top of your head - Initiated by Trachtenberg

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Book synopsis

Mental mathematics is the process of doing basic mathematics off the top of your head, without the use of paper and pencil, or an electronic device, with the help of Mental Mathematics; you kill two birds with one stone, keep the brain fresh and sharp, and

Book details

• Full title: Mental Mathematics: A fast Arithmetics operation at the top of your head - Initiated by Trachtenberg
• Author: Mr Enayatullah Maleki
• Language: English
• Binding: Paperback
• Number of pages: 140
• EAN: 9781979881302
• ISBN: 1979881308
• ID: 18919952
• Publisher: Createspace Independent Publishing Platform
• Weight: 254 g
• Dimensions: 254 × 178 × 8 mm
• Date of publishing: 01. December 2017

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