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GeoGebra
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Author:
俞光隆
GeoGebra
New Resources
Nested spiral octagon
國旗 (作圖步驟直接餵給 Claude)
美國國旗 (Codex 版)
長方體平面投影 (Codex版)
近似值：有效數字
Discover Resources
弧度與角度
模版
chuan-eBook
Easter egg
shuipen
Discover Topics
Equations
Complex Numbers
Right Triangles
Plane Figures or Shapes
LCM and GCD