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五年级-数学（北京版）-长方体和正方体的表面积（三）

视频地址：https://video.cache.bdschool.cn/vd/a2c0fa3dc403c790a7e76fad7e97f0b6.mp4
附件：0429五年级数学（北京版）-长方体和正方体的表面积（三）-1教案.docx
附件：0429五年级数学（北京版）-长方体和正方体的表面积（三）-2PPT课件 .pdf
附件：0429五年级数学（北京版）-长方体和正方体的表面积（三）-3学习任务单.docx

12 views Jul 15, 2021

五年级-数学（北京版）-可能性五年级-数学（人教版）-分数和小数的互化

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