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周界
Author:
Cheung Wai Yee
,
Anthony OR 柯志明
,
Angela Yan
GeoGebra
New Resources
柱體建築師
錐體建築師
兩組對邊相等的四邊形
判斷球體
異分母分數減法
Discover Resources
三角形內部一點到三頂點距離和最小
圖G
平行四邊形
GGB研習成果01
Solve ax + b = c | 解方程（樣式： ax + b = c ）
Discover Topics
Tangent Line or Tangent
Rotation
Optimization Problems
Natural Numbers
Limits