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平行四邊形_中
Author:
keihin
GeoGebra
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直角坐標平面上的旋轉變換
找出對稱軸
Earth with coastline
sanjiaohanshu
美國國旗 (Codex, 2026.10.06)
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平行四邊形切割
解題二
National Flag of ROC 中華民國 國旗
几何概型
正方形的邊長和周界
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Parallelogram
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