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初二-数学(北京版)三角形中位线定理

视频地址：https://video.cache.bdschool.cn/vd/1ee1b6e0b388529a64a24e8f780e3e5e.mp4
附件：0601初二数学（北京版）—三角形中位线定理—1教案.docx
附件：0601初二数学（北京版）—三角形中位线定理—2ppt.pptx
附件：0601初二数学（北京版）—三角形中位线定理—3学习任务单.docx

17 views Jul 15, 2021

初二-数学(北京版)矩形的判定初二-数学(北京版)正方形的性质及正多边形

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