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五年级-数学（北京版）-分数的意义（二）

视频地址：https://video.cache.bdschool.cn/vd/78ef3b03cd2c18add110cda4b97e6eeb.mp4
附件：0529五年级数学（北京版）-分数的意义（二）-1教案.docx
附件：0529五年级数学（北京版）-分数的意义（二）-2PPT课件.pdf
附件：0529五年级数学（北京版）-分数的意义（二）-3学习任务单.docx

17 views Jul 15, 2021

五年级-数学（人教版）-分数的基本性质（一）五年级-数学（人教版）-分数加减混合运算（三）

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