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变形的正方形
Author:
梁文红
GeoGebra
New Resources
異分母分數減法
畫出對稱圖形
兩組對邊相等和有直角的四邊形
直角坐標平面上的旋轉變換
第八周作业
Discover Resources
幾何變換
testssss
題2
圆锥侧面展开图
算幾不等式
Discover Topics
Fractions
Distributions
Similar Triangles
Statistical Characteristics
Tangent Line or Tangent