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拋物線2-焦點法
Author:
22吳心妤
GeoGebra
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找出對稱軸
三位數除以一位數（二）
四邉形 (四年級) 教師版
球體建築師
兩位數除以一位數（一）
Discover Resources
例題11
[問題] 橢圓與雙曲線有共同焦點
Completing the square(配方法)
旋轉的副本
圆锥的侧面展开图3D动画的副本
Discover Topics
Tangent Function
Constructions
Sine
Means
Logarithmic Functions