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三年级科学(人教版)-手电筒的秘密2

视频地址：https://video.cache.bdschool.cn/vd/a6b5d96f026bb87ecd5f093919091748.mp4
附件： 1028三年级【科学(人教版)】手电筒的秘密2-2PPT课件.pptx
附件： 1028三年级【科学(人教版)】手电筒的秘密2-3学习任务单.docx
附件： 1028三年级【科学(人教版)】手电筒的秘密2-4练习题.docx
附件： 1028三年级【科学(人教版)】手电筒的秘密2-1教学设计.docx

19 views Jul 15, 2021

三年级科学(湘科版)-知冷知热三年级科学(教科版)-我们关心天气

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