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三角函數的繪圖2-1
Author:
shan chun
GeoGebra
New Resources
算柱 (兩位數)
Nested spiral octagon
畫出對稱圖形
找出對稱軸
近似值：有效數字
Discover Resources
平行線截等比例
最簡分數
Lab 2 Correction
二次函数y=ax²（a＞0)
拋物線
Discover Topics
Prism
Root
Cone
Geometry
Quadratic Functions