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Author:
马云辉
GeoGebra
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直角坐標平面上的旋轉變換
近似值：有效數字
四邊形的特性
美國國旗 (Claude 版)
Earth with coastline
Discover Resources
Public test
對稱圖形
同學最喜愛的運動
對數函數
數線(最大值:1000)
Discover Topics
Combinatorics
Rectangle
Rational Numbers
Parametric Curves
Equations