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平行四邊形之變奏I
Author:
周桂名
Topic:
Parallelogram
拉動一下C、D兩點，觀察一下！
GeoGebra
New Resources
sanjiaohanshu
直角坐標平面上的旋轉變換
國旗 (Claude 版)
美國國旗 (Claude 版)
畫出對稱圖形
Discover Resources
題 5
正方體的反射對稱3
gjh-b03-01 圓與直線關係
六邊形
描点法画三角函数图像
Discover Topics
Piecewise Functions
Straight Lines
Geometric Mean
Fractions
Arithmetic Operations