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线段旋转扫过面积
Author:
王阳
GeoGebra
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兩位數加法
拼砌四邊形
四邊形的特性
畫出對稱圖形
【案例】2018年全国1卷理科12题
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齒輪連接的方法與轉動。
量角器
ghseh 二次函數描點法頂點法-3
函數分割逼近
合 24（淺中深）
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Scatter Plot
Function Graph
Area
Complex Numbers
Sequences and Series