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拋物面的光學性質
Author:
宋政蒲
GeoGebra
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【案例】2018年全国1卷理科12题
畫出對稱圖形
判斷球體
算柱 (兩位數)
三位數除以一位數（一）
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弦的定理
自我練習
讀量杯上的刻度
Area
学习 GeoGebra 3D 计算器
Discover Topics
Translation
Means
Tangent Line or Tangent
Diagrams
Isosceles Triangles