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旋转的台阶
Author:
孟宝兴
GeoGebra
New Resources
近似值：有效數字
拼砌四邊形
sanjiaohanshu
找出對稱軸
直角坐標平面上的旋轉變換
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L形分割
探究平行四邊形面積(2)
y=2^x指數函數圖形
gltyz 直角三角形旋轉體
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Rotation
Equations
Arithmetic Operations
Plane Figures or Shapes
Trapezoid