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geo123
Author:
hsu hung yang
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GeoGebra
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兩組對邊相等的四邊形
算柱 (兩位數)
畫出對稱圖形
直角坐標平面上的旋轉變換
拼砌四邊形
Discover Resources
Trapezium fixed height
排列組合
door
中心对称和中心对称图形
四次函數圖形觀察
变化的三角形的内心.许兴华数学
Discover Topics
General Quadrilateral
Ellipse
Median Value
Sine
Distributions