How to quickly count in the mind
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This book contains elementary techniques that will allow with the speed of lightning to perform in the mind such computing as multiplication, division, addition and subtraction of numbers, operations with fractions, extraction of square and cubic roots. Bill Handley has already established itself in the whole world and proved its effectiveness in practice
Author:
Author:Handley Bill
Cover:
Cover:Soft
Category:
- Category:Politics & Social Science
- Category:Psychology
- Category:Reference books
Publication language:
Publication Language:Russian
Paper:
Paper:Offset
Age restrictions:
Age restrictions:12+
ISBN:
ISBN:978-985-15-4423-9
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