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ConeFinish_video2
Author:
arist
GeoGebra
New Resources
盈利與虧蝕
百分數及其應用
活动三:应用性质
折扣
正方形雪花图案
Discover Resources
圓錐曲線
賺賠:例3
平行四邊形和長方形的大小
中心对称的概念
巧算周界
Discover Topics
Sphere
Statistics
Vectors 3D (Three-Dimensional)
Perimeter
Differential Calculus