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六年级-数学（人教版）-用比例解决问题

视频地址：https://video.cache.bdschool.cn/vd/41d258ecb4177a9fac87d5ecafe710cb.mp4
附件：0529六年级数学（人教版）-用比例解决问题-1教案.docx
附件：0529六年级数学（人教版）-用比例解决问题-2PPT课件.pdf
附件：0529六年级数学（人教版）-用比例解决问题-3学习任务单.docx

12 views Jul 15, 2021

六年级-数学（北京版）-比的意义（三）六年级-数学（北京版）-整数、小数和负数的认识复习（二）

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