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四邊形面積問題
Author:
連琨銘
GeoGebra
New Resources
球体的体积推导
三位數除以一位數（一）
兩組對邊相等的四邊形
球体的体积推导（优化版）
【案例】2018年全国1卷理科12题
Discover Resources
Tracing the Cosine Graph
Drawing quadrilaterals on the grid or the pinboard
Quiz on Centres of Triangles 三角形的中心：測驗
Dizzy (Just for Fun)
椭圆抛物面
Discover Topics
Circle
Difference and Slope
Right Triangles
Dilation
Similarity Transformation or Similarity