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旋轉正方形
Author:
22吳心妤
GeoGebra
New Resources
拼砌四邊形
異分母分數減法
四邉形 (四年級) 教師版
找出對稱軸
算柱 (兩位數)
Discover Resources
邊長與三角形（二）
截面法體積(1)
三棱柱的表面面積
二元一次方程式2
justin0704
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Statistics
Incircle or Inscribed Circle
Functions
Diagrams
Cuboid