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Author:
Big Lee
GeoGebra
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画直线等分三角形的面积
柱體建築師
找出對稱軸
第八周作业
異分母分數減法
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判斷柱體 1
工作天時
閱讀鐘面及數字鐘(時和分)的副本
【高中物理】凸透镜成像
翰林數學_2下_CH3-4_扣條
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Hypothesis Testing
Real Numbers
Linear Functions
Fractal Geometry
Multiplication