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Author:
黃斌
GeoGebra
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折扣
盈利與虧蝕
第八周作业1
双心四边形
比較五件物件的重量
Discover Resources
量角器3
吱吱喳喳
小遊戲
固定周界長方形的面積變化(二)
定积分的概念(移动端)的副本
Discover Topics
Tangent Line or Tangent
Vectors 3D (Three-Dimensional)
Quadrilaterals
General Quadrilateral
Conic Sections