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Properties of parallelogram(平行四邊形的性質)
Author:
chisunch1
GeoGebra
New Resources
算柱 (兩位數)
長方體平面投影 (Codex版)
Nested spiral octagon
錐體建築師
美國國旗 (Codex 版)
Discover Resources
Quiz on Solving Right Triangles (Finding Angles) 解直角三角形：測驗2（求角度）
圓系
梯形堆垛
Copy of 分數認識
Copy of 分數與小數
Discover Topics
Set Theory
Circumcircle or Circumscribed Circle
Quadrilaterals
Pie Chart or Circle Chart
Stochastic Process or Random Process