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平行四边形旋转
Author:
安迎春
Topic:
Quadrilaterals
GeoGebra
New Resources
拼砌四邊形
畫出對稱圖形
算柱 (兩位數)
四邊形的特性
兩組對邊相等和有直角的四邊形
Discover Resources
正八面體
圖三
test
BkD_act15_03c
第八周作业3
Discover Topics
Ellipse
Incircle or Inscribed Circle
Parabola
Rectangle
Combinatorics