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190621-物质的量说课-22160833

Added by 22160833 6 年 ago

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190423-动能和动能定理-22160731

Added by 22160731 6 年 ago

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190423-动能和动能定理-22160731—其他—视频高清在线观看-优酷 https://v.youku.com/v_show/id_XNDE1NTQ1NDgyOA==.html?spm=a2h3j.8428770.3416059.1

190315-燃烧的条件-22160815

Added by 22160815 6 年 ago

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200626-大规模的海水运动说课-10180621

Added by 10180621 5 年 ago

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201130-数塔-19180514

Added by 19180514 5 年 ago

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201614-处理与统计数据基本功能-19180533

Added by 19180533 5 年 ago

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190621-人类对原子结构的认识-26160132

Added by 26160132 6 年 ago

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200611-平方差公式说课-22170608

Added by 22170608 5 年 ago

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190419-物质的量-08160225

Added by 08160225 6 年 ago

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