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Author:
郭致伸
GeoGebra
New Resources
畫出對稱圖形
四邊形的特性
四邉形 (四年級) 教師版
異分母分數減法
錐體建築師
Discover Resources
三角形的外接圓
生活中的平面圖形─角的性質
area 面積
梅花
和直线和圆同时相切的圆
Discover Topics
Binomial Distribution
Cosine
Vectors 3D (Three-Dimensional)
Rational Numbers
Frequency Distribution