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Proof2 周子翔
Author:
郭亮偉
GeoGebra
New Resources
兩位數加法
找出對稱軸
拼砌四邊形
兩位數除以一位數（二）
兩位數除以一位數（一）
Discover Resources
認識函數圖形
trigonometry3
公開
ttyy
抛物线动态（不一样的做法）
Discover Topics
Conditional Probability
Linear Regression
Area
Solids or 3D Shapes
Logarithm