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優良作品1
Author:
Ching-Hui Chou
GeoGebra
New Resources
Nested spiral octagon
四邊形的特性
找出對稱軸
直角坐標平面上的旋轉變換
球體建築師
Discover Resources
判斷柱體11
大樓仰角皆為 60 度
弹簧的副本
小數的認識（一）
测试
Discover Topics
Indefinite Integral
Vectors 3D (Three-Dimensional)
Confidence Interval
Quadrilaterals
Solids or 3D Shapes