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一年级数学(北京版)两位数减两位数退位减法（三）

视频地址：https://video.cache.bdschool.cn/vd/40d0deea4abe3d717ebf7c47bf4732d8.mp4
附件：0612一年级数学（北京版）-两位数减两位数退位减法（三）-1教案.doc
附件：0612一年级数学（北京版）-两位数减两位数退位减法（三）-2PPT课件.pdf
附件：0612一年级数学（北京版）-两位数减两位数退位减法（三）-3 学习任务单.docx

18 views Jul 15, 2021

一年级数学(人教版)两位数减一位数、整十数（三）一年级-数学（北京版）-100以内数的认识

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