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斜率
Author:
1041061
GeoGebra
New Resources
第八周作业1
第三周作业效果演示
盈利與虧蝕
常见四边形是否是双心四边形
第八周作业2
Discover Resources
距離和
p10-4
Rectangle
P.4 對稱
比較角的大小3
Discover Topics
Pyramid
Plane Figures or Shapes
Special Points
Arithmetic
Circumcircle or Circumscribed Circle