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Author:Yin Kelvin Wong

New Resources

  • 四邊形的特性
  • 兩組對邊相等的四邊形
  • 四邉形 (四年級) 教師版
  • 兩組對邊相等和有直角的四邊形
  • 第八周作业

Discover Resources

  • ie 8
  • 两平面夹角
  • Tangent from an external point
  • 立體圖形
  • 双曲线旋转

Discover Topics

  • Cylinder
  • Congruence
  • Correlation
  • Difference and Slope
  • Circle
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