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01丨认识统计表.mp4 | 2022-05-25 13:57:12 | 52.12 MB | |
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02 - 美妙的轴对称.mp4 | 2022-05-25 13:57:12 | 8 MB | |
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03 平移.mp4 | 2022-05-25 13:57:12 | 8.38 MB | |
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04 旋转.mp4 | 2022-05-25 13:57:12 | 11.18 MB | |
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05 初步认识.mp4 | 2022-05-25 13:57:12 | 9.15 MB | |
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06 简单应用.mp4 | 2022-05-25 13:57:12 | 10.68 MB | |
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07 认识余数及其性质.mp4 | 2022-05-25 13:57:12 | 28.97 MB | |
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08 “化除为乘”解题法.mp4 | 2022-05-25 13:57:12 | 6.1 MB | |
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09 余数可加性的应用_2.mp4 | 2022-05-25 13:57:13 | 8.3 MB | |
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10 余数的周期问题_2.mp4 | 2022-05-25 13:57:13 | 6.27 MB | |
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11 万以内数的认识.mp4 | 2022-05-25 13:57:12 | 10 MB | |
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12 用算盘记数.mp4 | 2022-05-25 13:57:12 | 13.35 MB | |
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13 万以内数的读法(1).mp4 | 2022-05-25 13:57:12 | 59.33 MB | |
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13 万以内数的读法.mp4 | 2022-05-25 13:57:12 | 12.35 MB | |
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14 万以内数的写法.mp4 | 2022-05-25 13:57:12 | 9.22 MB | |
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15 万以内的数比较大小（一）.mp4 | 2022-05-25 13:57:12 | 7.45 MB | |
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16 万以内的数比较大小（二）.mp4 | 2022-05-25 13:57:12 | 11.5 MB | |
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17 近似数.mp4 | 2022-05-25 13:57:12 | 10.22 MB | |
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18 整十、整百、整千数加减法.mp4 | 2022-05-25 13:57:12 | 39.81 MB | |
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19 用估算解决问题.mp4 | 2022-05-25 13:57:12 | 7.83 MB | |
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20 认识克.mp4 | 2022-05-25 13:57:12 | 8.22 MB | |
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21 认识千克.mp4 | 2022-05-25 13:57:12 | 11.67 MB | |
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22 估计物品的质量.mp4 | 2022-05-25 13:57:12 | 8.15 MB | |
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23 认识天平.mp4 | 2022-05-25 13:57:13 | 5.49 MB | |
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24 简单的天平代换.mp4 | 2022-05-25 13:57:13 | 5.02 MB | |
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25 复杂的天平代换.mp4 | 2022-05-25 13:57:12 | 7.32 MB | |
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26 比较型逻辑推理.mp4 | 2022-05-25 13:57:12 | 69.7 MB | |
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27 对应逻辑推理.mp4 | 2022-05-25 13:57:12 | 38.4 MB | |
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28 真假判断.mp4 | 2022-05-25 13:57:12 | 15.42 MB | |
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29 移多补少.mp4 | 2022-05-25 13:57:13 | 4.75 MB | |
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30 增加第三个量.mp4 | 2022-05-25 13:57:12 | 7.73 MB | |
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31 推算原先的数.mp4 | 2022-05-25 13:57:12 | 8.67 MB | |
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32 以物换物.mp4 | 2022-05-25 13:57:13 | 8.28 MB | |
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33 等量代换的定义.mp4 | 2022-05-25 13:57:12 | 27.17 MB | |
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34 等量代换的应用.mp4 | 2022-05-25 13:57:12 | 6.64 MB |