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32 simple tricks for quick mental calculations - Yakov Perelman - Bog

af Yakov Perelman
32 simple tricks for quick mental calculations af Yakov Perelman
Bag om 32 simple tricks for quick mental calculations

This short book is a collection of simple and easily grasped tricks to speed up your mental arithmetic. If you want to master them you should realize that to be used fully they need to be approached conscientiously, not mechanically. But it pays to master them as they will enable you to do calculations in your head without error, as with written calculations.

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  • Sprog:
  • Engelsk
  • ISBN:
  • 9782917260982
  • Indbinding:
  • Paperback
  • Sideantal:
  • 18
  • Udgivet:
  • 26. januar 2019
  • Størrelse:
  • 152x229x6 mm.
  • Vægt:
  • 44 g.
  • 8-11 hverdage.
  • 29. november 2024

Normalpris

  • BLACK NOVEMBER

Medlemspris

Prøv i 30 dage for 45 kr.
Herefter fra 79 kr./md. Ingen binding.

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Beskrivelse af 32 simple tricks for quick mental calculations

This short book is a collection of simple and easily grasped tricks to speed up your mental arithmetic. If you want to master them you should realize that to be used fully they need to be approached conscientiously, not mechanically. But it pays to master them as they will enable you to do calculations in your head without error, as with written calculations.

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