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優良作品2
Author:
Ching-Hui Chou
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
Earth with coastline
畫出對稱圖形
美國國旗 (Claude 版)
美國國旗 (Codex 版)
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路徑二動畫
三次函数的极点
單向函數
Uses of Trigonometry
剪切成正三棱柱（制作：李三军，修订：孟宝兴）
Discover Topics
Integers
Straight Lines
Geometric Mean
Dilation
Unit Circle