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初一-数学(北京版)平行线的判定

视频地址：https://video.cache.bdschool.cn/vd/c1a3b6fb9395e499aceff348a8b5db52.mp4
附件：0619初一数学（北京版）-平行线的判定-3学习任务单.docx
附件：0619初一数学（北京版）-平行线的判定-1教案.docx
附件：0619初一数学（北京版）-平行线的判定-2PPT.pptx

19 views Jul 15, 2021

初一-数学(人教版)平方根的定义及性质初一-数学(北京版)二元一次方程组的应用（第一课时）

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