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Trigonometriska beräkningar

Det finns även digitala introduktioner och återkopplingar till kapitlen i boken – övningar som du och eleverna kan laborera med tillsammans på en storbildsskärm i klassrummet

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ISBN: 9788726310238

New simple ways to solve equations: How to solve equations by mental arithmetic, which strengthens the capacity for thinking and improves the memory – E-bok – Laddas ner 3102061360820 Alla är rädda för honomIn this book I present a unique formula for quadratic equations, which is a rewriting of the p q formula. This rewriting resulted in the equations being solved almost twice as fast by the new formula, when it was compared in a test with the p q formula. Another test also showed that the new formula was much faster than the Vedic formula. The new formula is unique because the equations in the test were solved by mere mental calculation, which improves