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Circle Rule
Author:
Tzeng, Shyuh-yaur
GeoGebra
New Resources
畫出對稱圖形
兩組對邊相等和有直角的四邊形
兩位數除以一位數（一）
直角坐標平面上的旋轉變換
兩組對邊相等的四邊形
Discover Resources
直线与椭圆
乘法運算
資料統計
滑桿動晝
GGB3
Discover Topics
Logarithm
Geometry
Cone
Piecewise Functions
Curve Sketching