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20200924初三化学(人教版)氧气

视频地址：https://video.cache.bdschool.cn/vd/c87e916ba1fe6300acea3f029d443fde.mp4
附件： 20200924初三化学(人教版)氧气-1教学设计.docx
附件： 20200924初三化学(人教版)氧气-2PPT.pptx
附件： 20200924初三化学(人教版)氧气-3学习任务单.docx
附件： 20200924初三化学(人教版)氧气-4课后练习.docx

16 views Jul 15, 2021

20200922初三化学(北京版)第2章空气之谜第三节氧气的性质（1） 20200924初三化学(北京版)第2章空气之谜第三节氧气的性质(2)

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