Trachtenberg speed system basic mathemat

Rubriek: Textual/Printed/Reference Materials - Boek

Prijs: € 10.99

Rating: 2/5

★

★

☆

☆

☆

Verzending:
Op voorraad. Voor 23:59 uur besteld, zaterdag in huis

Do high-speed, complicated arithmetic in your head using the Trachtenberg Speed System.



Do high-speed, complicated arithmetic in your head using the Trachtenberg Speed System. Ever find yourself struggling to check a bill or a payslip? With The Trachtenberg Speed System you can. Described as the 'shorthand of mathematics', the Trachtenberg system only requires the ability to count from one to eleven. Using a series of simplified keys it allows anyone to master calculations, giving greater speed, ease in handling numbers and increased accuracy. Jakow Trachtenberg believed that everyone is born with phenomenal abilities to calculate. He devised a set of rules that allows every child to make multiplication, division, addition, subtraction and square-root calculations with unerring accuracy and at remarkable speed. It is the perfect way to gain confidence with numbers.

• 1 Bekijk alle specificaties

The Trachtenberg Speed System of Basic Mathematics

Rating: 2 / 5
Prijs: 9.19 Nu voor: € 7.49

Jakow trachtenberg believed that everyone is born with phenomenal abilities to calculate he devised a set of rules that allows every child to make multiplication division addition subtraction and square root calculations with unerring accuracy and at remarkable speed Direct beschikbaar .. MEER INFO

Secrets Of Mental Math

Rating: 4 / 5 | Prijs: € 12.95

An accessible guide to mathematical calculation reveals the secrets of rapid mental calculation memorization and other feats of the mind with tips on how to add subtract multiply divide and work with fractions squares and cube roots original 15 000 first printing Uiterlijk 16 november in huis .. MEER INFO

How to Calculate Quickly

Rating: 0 / 5 | Prijs: € 7.13

Do you want to double or triple the speed with which you calculate how to calculate quickly is a tried and true method for helping you in the mathematics of daily life addition subtraction multiplication division and fractions the author can awaken for you a faculty which is surprisingly do Op voorraad. Voor 23:59 uur besteld, zaterdag in huis .. MEER INFO

Taal: en

Bindwijze: Paperback

Oorspronkelijke releasedatum: 29 juni 1989

Aantal pagina's: 272

Illustraties: Nee

Hoofdauteur: Jakow Trachtenberg

Hoofduitgeverij: Souvenir Press Ltd

Eerste Vertaler: Ann Cutler

Tweede Vertaler: Rudolph Mcshane

Editie: Main

Product breedte: 194 mm

Product hoogte: 22 mm

Product lengte: 128 mm

Studieboek: Ja

Verpakking breedte: 122 mm

Verpakking hoogte: 21 mm

Verpakking lengte: 185 mm

Verpakkingsgewicht: 394 g

EAN: 9780285629165

---