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平行四邊形
Author:
Ching-Hui Chou
Topic:
Parallelogram
GeoGebra
New Resources
算柱 (兩位數)
兩位數除以一位數（二）
四邉形 (四年級) 教師版
画直线等分三角形的面积
【案例】2018年全国1卷理科12题
Discover Resources
正五角錐(旋轉，實體、透視)
Locus (Two points 1)
製作對稱圖形 LEVEL 2
圓內接四邊形對角
ttyy
Discover Topics
Linear Functions
Similarity Transformation or Similarity
Circumcircle or Circumscribed Circle
Vectors 2D (Two-Dimensional)
Linear Equations