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dragon(龙)
Author:
赵林
GeoGebra
New Resources
美國國旗 (Codex 版)
兩組對邊相等的四邊形
近似值：有效數字
小数 的副本
畫出對稱圖形
Discover Resources
Rectangle
座標
Area of rectangle_Question F
圖形D
正立方體裁邊 (Chamfered Cube)
Discover Topics
Planes
Scatter Plot
Sphere
Addition
Quadrilaterals