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Proof77 - 楊筑雯
Author:
郭亮偉
GeoGebra
New Resources
【案例】圆柱体内放置一个大球六个小球
兩位數加法
【案例】2018年全国1卷理科12题
畫出對稱圖形
球體建築師
Discover Resources
正七邊形2
Tangent of a Circle 圓的切線
圆锥的侧面展开图3D动画的副本
两角和的正弦公式几何证明（改进）
圓錐曲線Conic Section
Discover Topics
Geometric Mean
Circle
Real Numbers
Percentages
Linear Programming or Linear Optimization