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六年级科学(教科版)-不简单的杠杆

视频地址：https://video.cache.bdschool.cn/vd/b0f3ef0747b0f39781f0cd724712a5b1.mp4
附件： 1028六年级【科学(教科版)】不简单的杠杆-2课件.pptx
附件： 1028六年级【科学(教科版)】不简单的杠杆-1教学设计.docx
附件： 1028六年级【科学(教科版)】不简单的杠杆-3学习任务单.docx
附件： 1028六年级【科学(教科版)】不简单的杠杆-4课后练习.docx

18 views Jul 15, 2021

六年级科学(湘科版)-桥梁招标六年级科学(教科版)-推动社会发展的印刷术

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