"The book is written simply so anyone can understand. The book teaches simple strategies that will enable you to make lightning calculations, multiplication, division, addition and subtraction, squaring numbers or extracting square roots and cube roots; add and subtract fraction…
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"The book is written simply so anyone can understand. The book teaches simple strategies that will enable you to make lightning calculations, multiplication, division, addition and subtraction, squaring numbers or extracting square roots and cube roots; add and subtract fraction…
Dieses Buch vermittelt Techniken zur Gedächnisschulung und zum Gedächnistraining. Die Wohnung von Gert Mittring liegt 82 Stufen hoch, Dachgeschoss, Elfenbeinturm. Er sitzt am Esstisch und räumt verschiedene Stapel Papier beiseite. Jeans, Jeanshemd, Denkerfrisur. Mittring, 44, hä…