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waaachen

Author:陳兪宏

New Resources

  • 判斷球體
  • 【案例】2018年全国1卷理科12题
  • 兩組對邊相等的四邊形
  • 球体的体积推导
  • 畫出對稱圖形

Discover Resources

  • 柯西不等式
  • 三角形外心的角度關係
  • 圆锥曲线的第二定义的副本
  • 冰淇淋
  • 圆的面积展开的副本

Discover Topics

  • Polygons
  • Tangent Line or Tangent
  • Isosceles Triangles
  • Reflection
  • Cuboid
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