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一年级数学（北京版）-整十数加、减整十数和一位数

视频地址：https://video.cache.bdschool.cn/vd/be9f76c0238ae15658dfd41108491ce7.mp4
附件：0508一年级数学(北京版)-整十数加减整十数和一位数-1教案.doc
附件：0508一年级数学(北京版)-整十数加减整十数和一位数-2PPT课件.pdf
附件：0508一年级数学(北京版)-整十数加减整十数和一位数-3学习任务单.docx

16 views Jul 15, 2021

一年级数学(北京版)两位数减两位数退位减法（一）一年级数学（北京版）-100以内数的大小比较（二）

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