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線性變換矩陣（二階）的副本
Author:
xiaodandan
,
arist
GeoGebra
New Resources
世界平面地圖 (Codex╱2026.10.07)
三半圓間的相切圓(Codex╱2026.10.07)
美國國旗 (Codex 版)
長方體平面投影 (Codex版)
湖南省张毅郴数字教研工作室 logo
Discover Resources
Sequence指令練習(二維3)
愛心
直線與平面關係
畢式定理 (13)的副本
可控坐标系
Discover Topics
Sphere
Rectangle
Bar Chart or Bar Graph
Translation
Stochastic Process or Random Process