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Lissajous curves(利薩如圖形)
Author:
Ethan_Hong
GeoGebra
New Resources
三位數除以一位數（二）
兩組對邊相等的四邊形
算柱 (兩位數)
兩組對邊相等和有直角的四邊形
柱體建築師
Discover Resources
向量相加
極線對偶定理 / polar duality theorem
上傳檔案測試
旋轉動畫
test1(尋找北極星)
Discover Topics
Rhombus
Ellipse
Numbers
Standard Deviation
Area