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20201030初三数学(北京版)锐角三角函数(1)

视频地址：https://video.cache.bdschool.cn/vd/2f1cb25e1b87e7d7244aa593613b102d.mp4
附件：初三【数学（北京版）40】锐角三角函数（1）PPT.ppt
附件：初三【数学（北京版）40】锐角三角函数（1）教学设计.docx
附件：初三【数学（北京版）40】锐角三角函数（1）课后练习.docx
附件：初三【数学（北京版）40】锐角三角函数（1）学习任务单.docx

17 views Jul 15, 2021

20201030初三数学(人教版)23.1图形的旋转(1) 20201105初三数学(人教版)23.2.3关于原点对称的点的坐标

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