Tag: 14化学

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20170608-氯气说课-08140344

20170608-氯气说课-08140344

Added by 8 年 ago

226 Views7 Comments

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170427-钠的性质-22140836

170427-钠的性质-22140836

Added by 8 年 ago

249 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 8 年 ago

244 Views5 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 8 年 ago

238 Views5 Comments

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170427-钠的性质-22140829

170427-钠的性质-22140829

Added by 8 年 ago

200 Views5 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 8 年 ago

210 Views6 Comments

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170608-硅说课-22140842

170608-硅说课-22140842

Added by 8 年 ago

268 Views5 Comments

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170427-金属钠的性质与应用-22140834

170427-金属钠的性质与应用-22140834

Added by 8 年 ago

284 Views4 Comments

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170511-燃烧的条件说课-10140209

170511-燃烧的条件说课-10140209

Added by 8 年 ago

247 Views4 Comments

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170427-金属钠的性质与应用-22140843

170427-金属钠的性质与应用-22140843

Added by 8 年 ago

160 Views5 Comments

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