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S3 Ch4.1 正四面體的反射平面
Author:
Li Woon Chung
Topic:
Reflection
,
Solids or 3D Shapes
GeoGebra
New Resources
柱體建築師
拼砌四邊形
四邉形 (四年級) 教師版
兩位數除以一位數（一）
【案例】圆柱体内放置一个大球六个小球
Discover Resources
正三角形的旋轉
固定三角形的條件−題3
路徑一動畫
例子
对角线交点
Discover Topics
Vectors 3D (Three-Dimensional)
Triangles
Ellipse
Parallelogram
Coordinates