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認識假分數
Author:
lkkbmaths teachers 檔案儲存用
GeoGebra
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判斷球體
異分母分數減法
【案例】2013年安徽高考15题
兩位數除以一位數（二）
兩位數加法
Discover Resources
正方變十字
題九
Copy of 七巧板
翰林數學_2下_CH3-4_扣條
杨辉三角形
Discover Topics
Sine
Constructions
Logarithmic Functions
Line Segment
Differential Equation