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初三【数学(北京版)】平行线分三角形两边成比例(1)

视频地址：https://video.cache.bdschool.cn/vd/4deb61c7784e3da5471ef06c8db5ca3c.mp4
附件： 0904平行线分三角形两边成比例（1） .pptx
附件： 0904平行线分三角形两边成比例（1）教学设计.docx
附件： 0904平行线分三角形两边成比例（1）课后练习.docx
附件： 0904平行线分三角形两边成比例（2）学习任务单.docx

17 views Jul 15, 2021

初三【数学(人教版)】21.2.1配方法(3) 初三【数学(人教版)】21.2.1配方法(2)

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