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椭圆里面光的汇聚

Author:李大地(Field Lee)

New Resources

  • 球體建築師
  • 找出對稱軸
  • 兩組對邊相等和有直角的四邊形
  • 【案例】圆柱体内放置一个大球六个小球
  • 三位數除以一位數(一)

Discover Resources

  • Line Perpendicular to Plane 垂直於平面的直線
  • Exploring the changes in mean and median
  • 多項式函數
  • 三角形
  • 分項對消式的寫法的副本

Discover Topics

  • Dilation
  • Rhombus
  • Tangent Line or Tangent
  • Quadratic Equations
  • Logic
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