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七巧板.ggb
Author:
郭勇
GeoGebra
New Resources
sanjiaohanshu
錐體建築師
四邊形的特性
近似值：有效數字
兩位數加法
Discover Resources
Billiard Ball
三角形重心軌跡(動點在三圓上)
三個交點
正三角形
矮額 太空喔
Discover Topics
Division
Dilation
Tangent Function
Logarithm
Cosine