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四角形の各辺の中点を結ぶと?

Author:小山英憲

New Resources

  • 円の伸開線
  • 斜めドップラー
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  • sine-wave
  • standingwave-reflection

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  • この四角形はどんな四角形?
  • A visualization of trigonometric functions
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  • 調和平均8-3

Discover Topics

  • Subtraction
  • Sine
  • Cuboid
  • Statistical Characteristics
  • Solids or 3D Shapes
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