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正弦定理
Author:
yuchengda
GeoGebra
New Resources
長方體平面投影 (Codex版)
AI 訓練教室
美國國旗 (Codex 版)
判斷球體
直角坐標平面上的旋轉變換
Discover Resources
方格紙上畫菱形3
我的第一個GGB影片
Similar triangles in a triangle
霓虹燈
探究判定全等三角形的条件（ SSA? & HL！）
Discover Topics
Optimization Problems
Polygons
Hypergeometric Distribution
Indefinite Integral
Geometric Mean