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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)
兩位數除以一位數（一）
畫出對稱圖形
三位數除以一位數（二）
近似值：有效數字
Discover Resources
parallelogram
Introduce Tangent Ratio
關燈遊戲3x3 Lights Out Game
滑桿2
認識半徑
Discover Topics
Translation
Median Value
Numbers
Pythagoras or Pythagorean Theorem
Polynomial Functions