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Locus 8 (軌跡八)
Author:
chisunch1
GeoGebra
New Resources
盈利與虧蝕
中华人民共和国国旗
第三周作业效果演示
异形操场
撒针估算面积实验
Discover Resources
圖騰 DEMO
test
正十二面體轉正二十面體
橢圓的定義（by Jutor）
Tangent from an external point
Discover Topics
Trigonometric Functions
Parametric Curves
General Quadrilateral
Pythagoras or Pythagorean Theorem
Trigonometry