技能训练视频平台

190423-匀变速直线运动的速度与时间的关系-21161022

Added by 21161022 7 年 ago

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190613-两点间的距离说课-22160615

Added by 22160615 7 年 ago

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170410-重心-162021096

Added by 162021096 9 年 ago

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190408-信息及其特征-22161905

Added by 22161905 7 年 ago

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220417-第一次授课-06190503

Added by 06190503 4 年 ago

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190315-质量守恒定律-08160226

Added by 08160226 7 年 ago

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190326-参考系与坐标系-22160727

Added by 22160727 7 年 ago

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190614-氧化还原反应（第1课时）说课-22160820

Added by 22160820 7 年 ago

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