How to Calculate Quickly in Your Head

This book contains basic techniques that will allow you to perform calculations in your head with lightning speed, such as multiplication, division, addition, and subtraction of numbers, operations with fractions, extraction of square and cubic roots. Bill Handley's completely simple... methodology has already proven itself worldwide and demonstrated its effectiveness in practice.

Author: ХЭНДЛИ БИЛЛ

Printhouse: Popurri

Age restrictions: 12+

Year of publication: 2020

ISBN: 9789851544239

Number of pages: 304

Size: 60х84/16 mm

Cover type: integral

Weight: 259 g

ID: 1429551

This book contains basic techniques that will allow you to perform calculations in your head with lightning speed, such as multiplication, division, addition, and subtraction of numbers, operations with fractions, extraction of square and cubic roots. Bill Handley's completely simple methodology has already proven itself worldwide and demonstrated its effectiveness in practice.

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In stock

€ 8.99