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proof3(1-1)吳奕杰
Author:
郭亮偉
GeoGebra
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兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
四邉形 (四年級) 教師版
四邊形的特性
兩位數加法
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beauty from WuLing.TW
过圆上一点作切线，三步
量詞
柱體建築師 1 的複本
S3 Ch4.1 正四面體的反射平面
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Hyperbola
Probability
Real Numbers
Equilateral Triangles
Mathematics