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梯形
Author:
Chan Ting Hin
Topic:
Trapezoid
GeoGebra
New Resources
拼砌四邊形
兩組對邊相等和有直角的四邊形
算柱 (兩位數)
兩位數加法
畫出對稱圖形
Discover Resources
優良作品4(楚耘)
複合圖形(七)
中心对称
Copie de 河內塔 (Tower of Hanoi)
五棱柱
Discover Topics
Expected Value
Translation
Fractions
Inequalities
Vectors 3D (Three-Dimensional)