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formula

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Published in: Technology, Education
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Transcript

  • 1. Filferro problema
  • 2. Full de ruta • Necessiteu disposar d’un peu de rei i una balança • Aquest problema es pot generalitzar, apliqueu el mètode de resolució de problemes de càlcul tot identificant les dades, formulari, diagrama i càlcul • També heu d’aplicar el problema en un full de calcul
  • 3. OBJECTIU PRINCIPAL • Sistematitzar processos de càlcul lligats a problemes reals TEMPORITZACIÓ • 4 hores lectives
  • 4. Elements de la formula d= densitat m= massa v= volum r= radi h= longitud o altura
  • 5. Formules i enllaços • Formula volum v   ·r ·h2 •Formula densitat m d •Relacionar-les amb un sistema d’equacions v m d v   ·r ·h 2
  • 6. Formules i enllaços • Substituir el volum de la formula de densitat per la formula del volum m d  ·r ·h 2
  • 7. Formules i enllaços • Aïllar la longitud m h  ·r ·h 2
  • 8. Dades del problema d  1,9 g / cm 3 m  293 g r  0,18cm
  • 9. Càlculs 293 g h  1515cm  15,15m  ·(0.18cm) ·1,9 g / cm 2 3

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