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200616-氧化还原说课-15170604

200616-氧化还原说课-15170604

Added by 5 年 ago

75 Views5 Comments

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170427-钠的性质-22140841

170427-钠的性质-22140841

Added by 8 年 ago

205 Views5 Comments

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170608-氯-22140837

170608-氯-22140837

Added by 8 年 ago

291 Views5 Comments

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200610-氯-08180436

200610-氯-08180436

Added by 5 年 ago

44 Views5 Comments

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200621-物质的量-08180434

200621-物质的量-08180434

Added by 5 年 ago

34 Views5 Comments

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170511-溶液说课-20140613

170511-溶液说课-20140613

Added by 8 年 ago

262 Views5 Comments

http://v.youku.com/v_show/id_XMjc2MTA1ODQ0NA==.html?spm=a2h3j.8428770.3416059.1 互评量表

200603-溶液-08180430

200603-溶液-08180430

Added by 5 年 ago

47 Views5 Comments

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170504-氧化还原说课-22140821县晗

170504-氧化还原说课-22140821县晗

Added by 8 年 ago

266 Views5 Comments

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200616-氧化还原说课-22170840

200616-氧化还原说课-22170840

Added by 5 年 ago

25 Views5 Comments

快快给个好评！

170511-燃烧与灭火说课-22140821

170511-燃烧与灭火说课-22140821

Added by 8 年 ago

284 Views5 Comments

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