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有趣的梯形面積問題
Author:
Cychoy
GeoGebra
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GeoGebra笔记功能体验课件
兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
【案例】2018年全国1卷理科12题
兩位數除以一位數（二）
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只跳升一次即下降的函數
Trigonometry
Hyperbolic
星形工具(1060724)
二階克拉瑪公式_找x
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Circle
Geometry
Integers
Equations
Plane Figures or Shapes