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圓心至弦的垂線平分弦
Author:
Sam
GeoGebra
New Resources
第八周作业1
盈利與虧蝕
撒针估算面积实验
百分數及其應用
比較五件物件的重量
Discover Resources
分段移動
直線交點
Lens
test
二元一次方程组001(和差)
Discover Topics
Area
Circumcircle or Circumscribed Circle
Triangles
Statistics
Statistical Characteristics