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Author:
Lin Ching Chieh
GeoGebra
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四邉形 (四年級) 教師版
三位數除以一位數（二）
拼砌四邊形
兩組對邊相等的四邊形
柱體建築師
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色彩視覺藝術：奇幻光圈
猴子爬樹
HKDSE 2015 by Mr LO WY
原子模型
S3 Ch4.1 立體圖形(3D圖) - 十字形棱柱(ViewA)
Discover Topics
Vectors 3D (Three-Dimensional)
Expected Value
Translation
Equations
Logic