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Author:
tan90
GeoGebra
New Resources
找出對稱軸
三位數除以一位數（二）
四邉形 (四年級) 教師版
算柱 (兩位數)
錐體建築師
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過圓內一點與圓相切的圓
test02繪本用
相同圖形的拼砌（梯形）
Copy of 包含除法（1 ÷分數）
等差数列计算练习
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Expected Value
Polygons
Frequency Distribution
Tree Diagrams
Constructions