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包含除法（1 ÷分數）的副本
Author:
xiaodandan
,
GeoGebra Institute of Hong Kong
Topic:
Fractions
GeoGebra
New Resources
四邉形 (四年級) 教師版
柱體建築師
兩位數加法
異分母分數減法
近似值：有效數字
Discover Resources
柱體建築師
平移函數的切線(三次)
最小距離和
台灣國旗(I love Taiwan)
两角差的正弦公式证明2
Discover Topics
Dilation
Centroid or Barycenter
Tree Diagrams
Tangent Function
Conic Sections