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Author:
fanrongboy
GeoGebra
New Resources
畫出對稱圖形
異分母分數減法
兩組對邊相等和有直角的四邊形
直角坐標平面上的旋轉變換
四邊形的特性
Discover Resources
史坦納圓 (Steiner Circle)
複合圖形(四)
圖一
碎形
活动三：应用性质
Discover Topics
Terms
Translation
Congruence
Scalene Triangles
Kite