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初一-数学(北京版)整式的加减法（第一课时）

视频地址：https://video.cache.bdschool.cn/vd/48e2abd4be34cbc50b6c9653c924932d.mp4
附件：0522初一数学（北京版）整式的加减法（第一课时）-1教案.docx
附件：0522初一数学（北京版）整式的加减法（第一课时）-2PPT.pptx
附件：0522初一数学（北京版）整式的加减法（第一课时）-3学习任务单.docx

18 views Jul 15, 2021

初一-数学（人教版）相交线及相关知识初一-数学（北京版）不等式的概念

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