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初一数学(北京版)相反数和绝对值(2)

视频地址：https://video.cache.bdschool.cn/vd/fa1bae3c610c5149c5516a4d1f0edb0b.mp4
附件：初一数学(北京版)相反数和绝对值(2).pptx
附件：初一数学(北京版)相反数和绝对值(2)教学设计.docx
附件：初一数学(北京版)相反数和绝对值(2)课后练习.docx
附件：初一数学(北京版)相反数和绝对值(2)学习任务单.docx

17 views Jul 15, 2021

初一数学(人教版)数轴(二) 初一数学(人教版)有理数的加法(一)

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