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19-质量守恒定律-22160819

Added by 7 年 ago

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190329-氧化还原反应课时一-22160813

Added by 7 年 ago

147 Views0 Comments

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190423-动能和动能定理-22160704

Added by 6 年 ago

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190606-余弦定理说课-10150504

Added by 6 年 ago

147 Views7 Comments

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190517-气压带风带的形成-22161004

Added by 6 年 ago

147 Views6 Comments

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190419-物质的量-22160808

Added by 6 年 ago

147 Views5 Comments

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190326-路程和位移,矢量和标量-22160736

Added by 7 年 ago

147 Views0 Comments

190613一次函数的概念说课-22160604

Added by 6 年 ago

147 Views8 Comments

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190614—铝的重要化合物—22160840

Added by 6 年 ago

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190614-有机合成说课-22160824

Added by 6 年 ago

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