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三年级科学(人教版)-手电筒的秘密1

视频地址：https://video.cache.bdschool.cn/vd/cf66404eff42e2e1cc5e70a7588f07ed.mp4
附件： 1023三年级【科学(人教版)】手电筒的秘密1-2PPT课件.pptx
附件： 1023三年级【科学(人教版)】手电筒的秘密1-4练习题.docx
附件： 1023三年级【科学(人教版)】手电筒的秘密1-3学习任务单.docx
附件： 1023三年级【科学(人教版)】手电筒的秘密1-1教学设计.docx

25 views Jul 15, 2021

三年级科学(湘科版)-它们有确定的质量吗三年级科学(教科版)-空气和我们的生活

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