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直線之美
Author:
李春培
直線之美
GeoGebra
New Resources
找出對稱軸
兩組對邊相等的四邊形
三位數除以一位數（一）
畫出對稱圖形
直角坐標平面上的旋轉變換
Discover Resources
testtesttesttesttest
Mobius strip
Expansion & Factorization 展開與因式分解
凹透镜
翰林數學_2下_CH3-1_點線角
Discover Topics
Dilation
Incircle or Inscribed Circle
Bar Chart or Bar Graph
Plane Figures or Shapes
Distributions