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量角器2
Author:
Sheu Anderson
GeoGebra
New Resources
拼砌四邊形
兩位數加法
兩組對邊相等的四邊形
畫出對稱圖形
柱體建築師
Discover Resources
三角形的外心
線性組合1：正六邊形
Clock Simulation
更相减损术几何表示
S3 Inequality
Discover Topics
Diagrams
Cone
Triangles
Circle
Vectors 2D (Two-Dimensional)