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The Beautiful Dance of the Earth and Venus
Author:
Chenwei Chen
GeoGebra
New Resources
兩位數除以一位數（一）
三位數除以一位數（一）
畫出對稱圖形
異分母分數減法
画直线等分三角形的面积
Discover Resources
貝氏曲線 (Bezier Surface)
二元一次不等式的解區域判斷
圆锥侧面展开
幾何作圖動畫示範的副本
两个经典不等式
Discover Topics
Median Value
Variance
Coordinates
Conditional Probability
Rational Numbers