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六年级-数学（人教版）-比例尺（二）

视频地址：https://video.cache.bdschool.cn/vd/e85497bceefe39102f2244ca92712c3a.mp4
附件：0527六年级数学（人教版）-比例尺（二）-1教案.docx
附件：0527六年级数学（人教版）-比例尺（二）-2PPT课件.pdf
附件：0527六年级数学（人教版）-比例尺（二）-3学习任务单.docx

15 views Jul 15, 2021

六年级-数学（北京版）-因数和倍数的复习（一）六年级-数学（人教版）-比例尺（一）

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