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縮放中心(四邊形)
Author:
葉宇笙
GeoGebra
New Resources
活动三:应用性质
异形操场
球体的截面
双心四边形
撒针估算面积实验
Discover Resources
九九乘法表
Copy of 韻01
GGB報告
三角函數-sin
普一甲詹詠宇4
Discover Topics
Matrices
Polynomial Functions
Numbers
Vectors
Statistical Characteristics