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三垂線

Author:Wu Xiao-Ren

New Resources

  • 畫出對稱圖形
  • 長方體平面投影 (Codex版)
  • 四邉形 (四年級) 教師版
  • sanjiaohanshu
  • 拼砌四邊形

Discover Resources

  • Irregular shape
  • Translation, Reflection and Rotation
  • ghseh 二次函數的開口大小
  • 頂點法
  • 正N边形在圆内的滚动

Discover Topics

  • Cuboid
  • Piecewise Functions
  • Circumcircle or Circumscribed Circle
  • Perimeter
  • Cone
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