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Congruent (SSS) 3
Author:
Ricky Chan
GeoGebra
New Resources
中華民國國旗 (Codex╱2026.10.06)
長方體平面投影 (Codex版)
直角坐標平面上的旋轉變換
幾何作圖題：切三圓（題目）
Fibonacci Clock
Discover Resources
七巧板
GeoGebra 動畫開關按鈕製作
ma_test
扇形柱(調整底面圓的分割數，柱高)
切線性質B
Discover Topics
Cuboid
Division
Arithmetic
Circle
Trapezoid