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一元二次不等式
Author:
1041015楊山佩
GeoGebra
New Resources
錐體建築師
球體建築師
兩組對邊相等和有直角的四邊形
找出對稱軸
兩位數除以一位數（二）
Discover Resources
方格紙上畫梯形2
Polygon Activity
Functions
Light reflected in ellipse
三角函數的描點與圖形
Discover Topics
Pyramid
Cuboid
Variance
Equations
Inequalities