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六年级-数学（北京版）-反比例的意义

视频地址：https://video.cache.bdschool.cn/vd/5d9d998a5cb5b2ff206d719d822ea195.mp4
附件：0521六年级数学（北京版）-反比例的意义-1教案.docx
附件：0521六年级数学（北京版）-反比例的意义-2PPT课件.pdf
附件：0521六年级数学（北京版）-反比例的意义-3学习任务单.docx

19 views Jul 15, 2021

六年级-数学（人教版）-比例的意义和基本性质（二）六年级-数学（北京版）-式与方程复习（一）

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