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S4E08 Penrose阶梯
Author:
宋晓燕
GeoGebra
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斜率的值
第八周作业2
平行線的斜率
圓周公式的應用
撒针估算面积实验
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Basketball
橢圓軌跡
ggb-fs-b1 分數擴分
P1 1st Maths
变化的三角形的旁心.许兴华数学
Discover Topics
Circumcircle or Circumscribed Circle
Quadrilaterals
Vectors 3D (Three-Dimensional)
Probability
Right Triangles