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六年级数学(北京版)-工程问题

视频地址：https://video.cache.bdschool.cn/vd/68faecafba584b37d97dfaf363802ee1.mp4
附件： 1019六年级【数学(北京版)】工程问题-1教学设计.docx
附件： 1019六年级【数学(北京版)】工程问题-2课件.pdf
附件： 1019六年级【数学(北京版)】工程问题-3学习任务单.docx
附件： 1019六年级【数学(北京版)】工程问题-4课后练习.docx

16 views Jul 15, 2021

六年级数学(北京版)-利率问题六年级数学(人教版)-比的应用

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