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龜甲
Author:
呂麗珠
GeoGebra
New Resources
画直线等分三角形的面积
畫出對稱圖形
兩位數除以一位數（一）
柱體建築師
【案例】2013年安徽高考15题
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倍數的判別
周界-平移法(練習四)
橢圓軌跡
規律幾何圖形珠串
sin的平移與伸縮
Discover Topics
Natural Numbers
Exponent
Step Functions
Frequency Distribution
Similar Triangles