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折扣 例2
Author:
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
錐體建築師
兩位數除以一位數（二）
sanjiaohanshu
找出對稱軸
兩位數除以一位數（一）
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Bricks
軌跡觀察---兩圓上線段中點
串珠
不规则平移
微分量 (Differentials)
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Kite
Combinatorics
Random Experiments
Interest Calculation
Pyramid