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凹透鏡 Concave Lens

Author:
Alex CHIK

Drag the grey/ red points to change positions of the object. Drag the black point to change source of light.

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New Resources

  • LCM of Three Numbers (Practice Exercise)
  • Operator norm calculator
  • Tutorial RDWorks para iniciantes (em inglês)
  • Open Middle: Perimeter of a Rectangle
  • LCM of Two Numbers (Practice Exercise)

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  • Number Line #5
  • geogebra 7
  • As Fórmulas do tronco de pirâmide
  • Euclid Prop 1 (Taniya)

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