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纏繞畫
Author:
莊智薇
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固定面積的圖形周界變化
滑桿動畫
Congruent and Similarity
Q.1 9/3
索瑪立方體
New Resources
圖案
冰淇淋
ggb.png
光的反射
傅里叶级数 Fourier series
