Lau Sir – Resources – GeoGebra

Rotation
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Lau Sir
教學－與直線有關的角
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Lau Sir
教學－面與面的夾角
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Lau Sir
教學－棱錐摺紙樣式
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Lau Sir
教學－棱柱摺紙樣式
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Lau Sir
教學－橫切面
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Lau Sir
教學－旋轉
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Lau Sir
練習 - 逆時針旋轉（三角形）
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Lau Sir
教學－直線方程性質
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Lau Sir
練習－由一元二次方程判別根的數目
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Lau Sir
練習 - 反射對稱
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Lau Sir