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proof36 王宇揚
Author:
郭亮偉
GeoGebra
New Resources
折扣
圓的切線方程
平行線的判定
第三周作业效果演示
盈利與虧蝕
Discover Resources
四角柱
三角形分割
電子幾何條
How to draw an octagon with ruler and compasses?
向量與坐標
Discover Topics
LCM and GCD
Plane Figures or Shapes
Difference and Slope
Circumcircle or Circumscribed Circle
Arithmetic