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杯子反射光線(包絡)
Author:
陳柄何
Topic:
Curve Sketching
GeoGebra
New Resources
拼砌四邊形
四邉形 (四年級) 教師版
GeoGebra笔记功能体验课件
三位數除以一位數（一）
三位數除以一位數（二）
Discover Resources
y=(x-a)²的圖形
底數大於1，指對數函數交點情形。
向量
P2 math
angles sum on a striaght line
Discover Topics
Similarity Transformation or Similarity
Expected Value
Root
Sphere
Fractal Geometry