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Author:
郭致伸
GeoGebra
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找出對稱軸
兩位數除以一位數(一)
兩位數加法
兩位數除以一位數(二)
四邉形 (四年級) 教師版
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function3
試證明:A=B+C
Math Project
作業 11032
伍四红 圆与正方形 面积同周长比较
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Straight Lines
Sphere
Set Theory
Equilateral Triangles
Perimeter