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七巧板.ggb
Author:
郭勇
GeoGebra
New Resources
直角坐標平面上的旋轉變換
美國國旗 (Codex 版)
Earth with coastline
判斷球體
兩組對邊相等和有直角的四邊形
Discover Resources
兩條數線比較
千年曆2
推移矩陣（y 方向）
F5__二元一次不等式
congruent triangle2_provided by Mr Yeung Kar Chun
Discover Topics
Addition
Confidence Interval
Mode
Ellipse
Differential Equation