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面積2
Author:
katetang511
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
找出對稱軸
四邉形 (四年級) 教師版
算柱 (兩位數)
拼砌四邊形
Discover Resources
Translation 平移變換
生活中的平面圖形─四邊形的性質
Directed numbers
雙曲線3 等軸法
單點透視法
Discover Topics
Vectors 2D (Two-Dimensional)
Curve Sketching
Probability
Tangent Line or Tangent
Multiplication