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quiz 9.1 2(a)
Author:
lamanleung
GeoGebra
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四邉形 (四年級) 教師版
兩位數加法
四邊形的特性
兩位數除以一位數（一）
判斷球體
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柏拉圖宇宙模型
畢氏定理變裝證明
圖形拼砌
約分
反射變換
Discover Topics
Vectors
Similarity Transformation or Similarity
Conic Sections
Cylinder
Expected Value