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勾股定理
Author:
熊珍群
GeoGebra
New Resources
球體建築師
異分母分數減法
錐體建築師
球体的体积推导（优化版）
【案例】2018年全国1卷理科12题
Discover Resources
斜率
sweet sugar
中位线的副本
劉虹圻 旁心
拋物線6--包絡線法
Discover Topics
Triangles
Bar Chart or Bar Graph
Plane Figures or Shapes
Incircle or Inscribed Circle
Root