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Author:
吴广艳
GeoGebra
New Resources
美國國旗 (Codex 版)
算柱 (兩位數)
近似值：有效數字
Nested spiral octagon
直角坐標平面上的旋轉變換
Discover Resources
三角形內切三圓
釘點紙畫三角形
homework
圖形拼砌
可控坐标系
Discover Topics
Geometric Transformations
Interest Calculation
Confidence Interval
Binomial Distribution
Rhombus