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Author:
李怡
GeoGebra
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四邊形的特性
兩組對邊相等和有直角的四邊形
美國國旗 (Codex 版)
球體建築師
Nested spiral octagon
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指數函數與二次函數101.11.26
圓周
正十二面體
塗色練習
線性規劃
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General Quadrilateral
Bar Chart or Bar Graph
Quadrilaterals
Dilation
Perimeter