技能训练视频平台

190423-力的分解-22160703

Added by 22160703 7 年 ago

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https://v.youku.com/v_show/id_XNDE1NTUyOTAyNA==.html?spm=a2hzp.8244740.0.0

190315-质量守恒定律-15160635

Added by 15160635 7 年 ago

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190621-燃烧的条件说课-08160249

Added by 08160249 7 年 ago

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201128-郁闷的出纳员-19180520

Added by 19180520 5 年 ago

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200611-等差数列前n项和说课-22160714

Added by 22160714 6 年 ago

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190618-自由落体运动-22160741

Added by 22160741 7 年 ago

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190423-匀变速直线运动速度与时间关系-22160738

Added by 22160738 7 年 ago

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