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hkdse 2014 by mr lo wy
Author:
tcchan
GeoGebra
New Resources
拼砌四邊形
找出對稱軸
【案例】2013年安徽高考15题
畫出對稱圖形
三位數除以一位數（二）
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和差角公式几何证明
圓錐曲線 vs.雙曲線定義式
Volume of the Cuboid
test000
两角差的余弦公式的证明
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Derivative
Geometric Transformations
Parallelogram
Complex Numbers
Function Graph