Grace – Resources – GeoGebra

滑杆的數字接力賽-平移旋轉三角形填滿四邊形(加邊框)
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旋轉4
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Star
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cycle-line
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Cycle -sq 0
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Cycle -sq 3
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Cycle -sq 1
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Cycle -sq 2
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Ｍy GGC-1
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