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n-m9bch1-1-2d 二次函數及其圖形-05
Author:
均一
GeoGebra
New Resources
球體建築師
sanjiaohanshu
畫出對稱圖形
兩位數除以一位數（一）
找出對稱軸
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橢圓
正三角形
斜線2
湯圓rice ball
三圓外切2
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Optimization Problems
Translation
Solids or 3D Shapes
Unit Circle
Orthocenter