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認識梯形的特徵
Author:
Cychoy
Topic:
Plane Figures or Shapes
GeoGebra
New Resources
第八周作业
算柱 (兩位數)
四邉形 (四年級) 教師版
拼砌四邊形
柱體建築師
Discover Resources
鏡面反射光線
基測數學100-1-30 ：等腰三角形求角度
立方體與平面截痕１
五複合正6面體
Copy of 球面
Discover Topics
Subtraction
Square
General Quadrilateral
Arithmetic
Pyramid