Tag: 14化学

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170511-燃烧的条件说课-10140209

170511-燃烧的条件说课-10140209

Added by 7 年 ago

245 Views4 Comments

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170427-钠的性质-22140836

170427-钠的性质-22140836

Added by 7 年 ago

243 Views6 Comments

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170511-燃烧的条件说课-22140843

170511-燃烧的条件说课-22140843

Added by 7 年 ago

243 Views5 Comments

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170608-氯气说课-22140832

170608-氯气说课-22140832

Added by 7 年 ago

243 Views6 Comments

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170608-硅说课-20140228

170608-硅说课-20140228

Added by 7 年 ago

238 Views6 Comments

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20170609-氯的物理性质与化学性质说课–08140336

20170609-氯的物理性质与化学性质说课–08140336

Added by 7 年 ago

236 Views5 Comments

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170427-08140243 钠的性质

170427-08140243 钠的性质

Added by 7 年 ago

230 Views5 Comments

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20170608-氯气说课-08140344

20170608-氯气说课-08140344

Added by 7 年 ago

224 Views7 Comments

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170511-燃烧与灭火说课-20140228

170511-燃烧与灭火说课-20140228

Added by 7 年 ago

205 Views6 Comments

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170427-钠的性质-22140829

170427-钠的性质-22140829

Added by 7 年 ago

198 Views5 Comments

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