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คิดเลขเร็ว By ครูน้ำทิพย์

Author:น้ำทิพย์ สุโพธิ์ภาค

New Resources

  • Addition within Two Places
  • Untitled
  • Dividing a 2-digit number by a 1-digit number (1)
  • Mosaic
  • Torus

Discover Resources

  • Adding positive and negative integers on a number line
  • 正弦函数
  • octo
  • triangle project
  • constructions
  • Angles in a Pentagon
  • Proof without words : 1/2 + 1/4 + 1/8 +..... = 1

Discover Topics

  • Step Functions
  • Logarithmic Functions
  • Sine
  • Linear Functions
  • Similar Triangles
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