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ptcc trigo level 2
Author:
Cheung Wing Chuen
GeoGebra
New Resources
錐體建築師
兩位數除以一位數（一）
判斷球體
直角坐標平面上的旋轉變換
【案例】2018年全国1卷理科12题
Discover Resources
上下
立体几何
cube
三角五形
旋转的线段组成面
Discover Topics
Multiplication
Vectors 3D (Three-Dimensional)
Scatter Plot
Parabola
Correlation