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四年级-数学（北京版）-四舍五入取小数的近似值

视频地址：https://video.cache.bdschool.cn/vd/f54421969d2eb0681b0ae31bf3dc3ac6.mp4
附件：0511四年级数学（北京版）-四舍五入取小数的近似数-1教案.doc
附件：0511四年级数学（北京版）-四舍五入取小数的近似数-2PPT课件.pdf
附件：0511四年级数学（北京版）-四舍五入取小数的近似数-3学习任务单.docx

16 views Jul 15, 2021

四年级-数学（北京版）-乒乓球与盒子第一课时四年级-数学（人教版）-三角形的认识第二课时

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