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ie 9
Author:
LAM YU SANG
GeoGebra
New Resources
異分母分數減法
直角坐標平面上的旋轉變換
畫出對稱圖形
找出對稱軸
兩組對邊相等的四邊形
Discover Resources
空間坐標
图形的旋转
gitfh 複合圖形-正四角柱中挖圓柱
有趣的线
dingding_test
Discover Topics
General Quadrilateral
Geometric Transformations
Cone
Quadratic Equations
Arithmetic