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湯圓rice ball
Author:
陳正鴻
GeoGebra
New Resources
Fibonacci Clock
Earth with coastline
球體建築師
畫出對稱圖形
算柱 (兩位數)
Discover Resources
兩物體在時間 0 ~ 1 間，碰撞判斷
北區模考多選第八題 (2014.03.06)
圓與直線距離
三垂線定理
test for fun的副本
Discover Topics
Tangent Line or Tangent
Trigonometry
Geometry
Solids or 3D Shapes
Rhombus