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waaachen
Author:
陳兪宏
偷懶版本~~~
GeoGebra
New Resources
球體建築師
兩組對邊相等和有直角的四邊形
算柱 (兩位數)
異分母分數減法
兩位數加法
Discover Resources
百分數
Angle Sum in a Triangle
圓上的角任務(三): 同弓形內的圓周角
正十二面體展開圖
里约奥运火炬花环模型
Discover Topics
Subtraction
Cube
Square
Tangent Line or Tangent
Plane Figures or Shapes