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初二数学(人教版)三角形的外角

视频地址：https://video.cache.bdschool.cn/vd/9ed0c9c71835795057aecac83acd95d8.mp4
附件： 0908初二【数学(人教版)】三角形的外角教学设计.docx
附件： 0908初二【数学(人教版)】三角形的外角练习题.docx
附件： 0908初二【数学(人教版)】三角形的外角任务单.docx
附件： 0908初二【数学(人教版)】三角形的外角.pptx

20 views Jul 15, 2021

初二数学(北京版)分式的加减法(1) 初二数学(北京版)分式的乘除法(3)

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