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Drag the red dots, see the area ratio of EHFG to ABCD
Author:
johnmayhk
GeoGebra
New Resources
兩位數除以一位數（一）
球體建築師
sanjiaohanshu
兩位數加法
柱體建築師
Discover Resources
文氏圖
erwtewt
重心 謝易昀
Regular Tetrahedron
三角函数
Discover Topics
Incircle or Inscribed Circle
Statistical Characteristics
Equations
Plane Figures or Shapes
Percentages