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Author:
FU KAM MAN
GeoGebra
New Resources
兩位數除以一位數（一）
三位數除以一位數（二）
畫出對稱圖形
兩位數加法
四邉形 (四年級) 教師版
Discover Resources
平行四邊形
T5 Geobra
柱體建築師 5
HW 1
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Discover Topics
Line Segment
Cosine
Means
Linear Functions
Straight Lines