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椭圆1
Author:
李俊峰
GeoGebra
New Resources
异形操场
第三周作业效果演示
GeoGebra数学资源(4-8年级)
活动三:应用性质
盈利與虧蝕
Discover Resources
四棱柱D'UN 的作品
荒島尋寶
階梯圖形(一)
Copy of 作業-太極
Completing the Square (Part 3)
Discover Topics
Triangles
Upper and Lower Sum or Riemann Sum
Percentages
Equilateral Triangles
Rotation