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四年级-数学（北京版）-旋转第一课时

视频地址：https://video.cache.bdschool.cn/vd/8ad0dd16368d3111b0e939acb8dd2738.mp4
附件：0525四年级数学（北京版）-旋转第一课时-1教案.docx
附件：0525四年级数学（北京版）-旋转第一课时-2PPT课件.pdf
附件：0525四年级数学（北京版）-旋转第一课时-3学习任务单.docx

18 views Jul 15, 2021

四年级-数学（人教版）-四边形的内角和四年级-数学（北京版）-解决问题整理与复习

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