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五年级-数学（北京版）-分数加、减法整理与复习（一）

视频地址：https://video.cache.bdschool.cn/vd/d039e4e34c2880f7d2b6e7478d9825cb.mp4
附件：0622五年级数学（北京版）-分数加、减法整理与复习（一）-1教案.docx
附件：0622五年级数学（北京版）-分数加、减法整理与复习（一）-2PPT课件.pdf
附件：0622五年级数学（北京版）-分数加、减法整理与复习（一）-3学习任务单.docx

14 views Jul 15, 2021

五年级-数学（人教版）-真分数和假分数（二）五年级-数学（北京版）-分数的意义（一）

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