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20201106初三化学(人教版)水的净化

视频地址：https://video.cache.bdschool.cn/vd/033c177a98c1089fbcd0c7728c45b54c.mp4
附件： 20201106初三化学(人教版)水的净化-1教学设计.docx
附件： 20201106初三化学(人教版)水的净化-2PPT.pptx
附件： 20201106初三化学(人教版)水的净化-3任务单.docx
附件： 20201106初三化学(人教版)水的净化-4练习题.docx

15 views Jul 15, 2021

20201102初三化学(北京版)第5章化学元素与物质组成的表示第一节初步认识化学元素（1） 20201106初三化学(北京版)第5章化学元素与物质组成的表示第二节物质组成的表示-化学式（1）

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