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四年级-数学（北京版）小数的意义（一）

视频地址：https://video.cache.bdschool.cn/vd/7e1dd03cfae877ad1aef60b811ceba79.mp4
附件：0420四年级数学-小数的意义（一）-1教案.docx
附件：0420四年级数学-小数的意义（一）-2PPT课件.pdf
附件：0420四年级数学-小数的意义（一）-3学习任务单.docx

16 views Jul 15, 2021

四年级-数学（人教版）-加、减法的意义和各部分之间的关系四年级-数学（人教版）-小数的数位顺序表和小数的读写法

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