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一年级数学（人教版）-十几减8、7、6

视频地址：https://video.cache.bdschool.cn/vd/8741adddddfd59105e08decb589e8e00.mp4
附件：0508一年级数学（人教版）-十几减8、7、6-1教案.docx
附件：0508一年级数学（人教版）-十几减8、7、6-2PPT课件.pdf
附件：0508一年级数学（人教版）-十几减8、7、6-3学习任务单.docx

18 views Jul 15, 2021

一年级数学(人教版)两位数加一位数、整十数（三）一年级数学(北京版)两位数减两位数退位减法（一）

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