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拋物線的定義
Author:
1041015楊山佩
GeoGebra
New Resources
盈利與虧蝕
中华人民共和国国旗
活动三：应用性质
撒针估算面积实验
比較五件物件的重量
Discover Resources
繪畫三角形的外接圓
吱吱喳喳
导数
比較分數的大小(小六)
弹簧振子的 简谐运动
Discover Topics
Isosceles Triangles
Plane Figures or Shapes
Conic Sections
Similar Triangles
Circumcircle or Circumscribed Circle