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平四1
Author:
数豆豆
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
四邉形 (四年級) 教師版
畫出對稱圖形
四邊形的特性
兩位數除以一位數(二)
Discover Resources
賭神
Symmetric設計對稱圖案(兩條對稱軸)
魏燕貞的GeoGebra課材製作
銳角三角:sin, cos
抛物线顶点形成椭圆动画
Discover Topics
Pyramid
Boxplot
Subtraction
Special Points
Sequences and Series