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No.16
Author:
Billy Cheung
GeoGebra
New Resources
直線的斜率
圓周公式的應用
圓的切線方程
空间中两直线的位置关系
平行線的斜率
Discover Resources
gct-a01-jc091v1-27 三角形旋轉
平行四邊形有甚麼特性？
reflectional symmetry_1
國旗
旋转的线段组成面
Discover Topics
Quadratic Functions
Cylinder
Orthocenter
Statistical Characteristics
Symmetry