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同心圓和線段-3(線段到最外圓有小圓)
Author:
jessice
GeoGebra
New Resources
畫出對稱圖形
四邊形的特性
錐體建築師
球體建築師
判斷球體
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平行2
上課
圆在多边形上滚动
多邊形面積(分割法)
翰林數學_1下_CH2-1_直角坐標平面的認識
Discover Topics
Rational Numbers
Similar Triangles
Cube
Geometry
Limits