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四年级-数学（北京版）-轴对称图形第一课时

视频地址：https://video.cache.bdschool.cn/vd/316b30a67a275155bbc349a1cb945b58.mp4
附件：0526四年级数学（北京版）-轴对称图形第一课时-1教案.docx
附件：0526四年级数学（北京版）-轴对称图形第一课时-2PPT课件.pdf
附件：0526四年级数学（北京版）-轴对称图形第一课时-3学习任务单.docx

19 views Jul 15, 2021

四年级-数学（人教版）-数学广角：鸡兔同笼第二课时四年级-数学（北京版）-总复习：小数的意义及运算

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