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Author:
henry07225
GeoGebra
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【案例】2018年全国1卷理科12题
拼砌四邊形
四邊形的特性
三位數除以一位數（二）
算柱 (兩位數)
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三角函數圖解
判斷球體 2
gjh-e01-02 未知數邊長的長方形
追击问题
題2
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Secant Line or Secant
Centroid or Barycenter
Tangent Line or Tangent
Quadratic Functions
Arithmetic Operations