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ptccs2new4
Author:
Cheung Wing Chuen
GeoGebra
New Resources
找出對稱軸
球體建築師
兩組對邊相等和有直角的四邊形
四邊形的特性
四邉形 (四年級) 教師版
Discover Resources
部分佔全部的百分率: 例1
給錐體一個名字 4
中線定理(阿波羅尼奧斯)定理推廣二：向四邊形推廣
圓周公式應用題2
三角函数图像变换动画演示
Discover Topics
Binomial Distribution
Fractions
Orthocenter
Volume
Circumcircle or Circumscribed Circle