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二次函數描點
Author:
黃隆偉
GeoGebra
New Resources
拼砌四邊形
三位數除以一位數（一）
兩組對邊相等的四邊形
判斷球體
第八周作业
Discover Resources
拋射問題
方形地毯
Modular Surface：1 / (1 + z²)
向量分解的副本
扇形滚动(圆心角半径可变)
Discover Topics
Cuboid
Area
Confidence Interval
Pie Chart or Circle Chart
Parametric Curves