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Drawing quadrilaterals on the grid or the pinboard
Author:
Anthony OR 柯志明
GeoGebra
New Resources
兩位數除以一位數（二）
錐體建築師
拼砌四邊形
找出對稱軸
四邉形 (四年級) 教師版
Discover Resources
生活中的平面圖形問題2
多項式函數
畢氏定理(面積平移)
奠基1
畫鐘面的副本
Discover Topics
Linear Programming or Linear Optimization
Random Variables
Cube
General Quadrilateral
Parallelogram