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8_等角作圖_作特定角度三角形
Author:
iclntnu
GeoGebra
New Resources
Nested spiral octagon
找出對稱軸
直角坐標平面上的旋轉變換
近似值：有效數字
sanjiaohanshu
Discover Resources
以剪貼比較圖形大小 題2
PMC 2014-15 ans
test
認識對稱圖形
中國傳統剪紙_團花
Discover Topics
Cosine
Expected Value
Isosceles Triangles
Angles
Plane Figures or Shapes