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初二-数学(北京版)一次函数的应用（第三课时）

视频地址：https://video.cache.bdschool.cn/vd/38af9cce9e3caeda417cd16f51fd8c9a.mp4
附件：0519初二数学（人教版）勾股定理应用（第三课时）—1教案.docx
附件：0519初二数学（人教版）勾股定理应用（第三课时）—2PPT.pptx
附件：0519初二数学（人教版）勾股定理应用（第三课时）—3学习任务单.docx

16 views Jul 15, 2021

初二-数学(人教版)勾股定理应用（第一课时）初二-数学(北京版)一元二次方程解法——根的判别式

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