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T2 Geobra
Author:
Argon
T2
GeoGebra
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四邉形 (四年級) 教師版
三位數除以一位數（一）
三位數除以一位數（二）
拼砌四邊形
找出對稱軸
Discover Resources
Apollonius Problem 8 CLL homo 12
Quiz on Solving Right Triangles (Finding Side Lengths) 解直角三角形：測驗1（求邊長）
各種四邊形
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學習活動五之一在解區域中由平行線法找出極值
Discover Topics
Triangles
Trigonometry
Binomial Distribution
Reflection
Equilateral Triangles