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Author:
高长乐
GeoGebra
New Resources
三位數除以一位數（一）
畫出對稱圖形
sanjiaohanshu
近似值：有效數字
找出對稱軸
Discover Resources
Symmetric設計對稱圖案(一條對稱軸)
Question 3
滑桿動畫
滾動的圓
GeoGebra数学资源（4-8年级）
Discover Topics
Reflection
Indefinite Integral
Histogram
Random Experiments
Tangent Function