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คิดเลขเร็ว

Author:Piangporn Songkram

New Resources

  • Learn to Prove: Kite
  • Dividing a 2-digit number by a 1-digit number (1)
  • apec
  • Proof of a Rhombus by Construction and Deduction
  • Function Machine

Discover Resources

  • Line inverted in a circle
  • Octagon
  • Math
  • Bouncing Ball
  • Images 2. Truncated icosidodecahedron (V=120) from Biscribed Pentakis Dodecahedron for the case of trisection of its 4th-order segments

Discover Topics

  • Angles
  • Intersection
  • Piecewise Functions
  • Natural Numbers
  • Tangent Function
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