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六年级-数学（北京版）-比和比例复习

视频地址：https://video.cache.bdschool.cn/vd/f0606f00ae5b1eff31655e188dd7470f.mp4
附件：0610六年级数学（北京版）-比和比例复习-1教案.docx
附件：0610六年级数学（北京版）-比和比例复习-2PPT课件.pdf
附件：0610六年级数学（北京版）-比和比例复习-3学习任务单.docx

19 views Jul 15, 2021

六年级-数学（人教版）-数的认识整理与复习（三）六年级-数学（人教版）-综合与实践整理与复习（一）

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