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圆锥曲线第二定义
Author:
冯伟冀
Topic:
Conic Sections
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
找出對稱軸
四邉形 (四年級) 教師版
三位數除以一位數（一）
【案例】2013年安徽高考15题
Discover Resources
waaachen
Angle at Centre & Angle at Circumference: Proof 圓心角與圓周角：証明
Math_Class Activity 1
相似三角形的应用
圓與圓柱
Discover Topics
Power Functions
Pythagoras or Pythagorean Theorem
Planes
Variance
Scatter Plot